Start OR 6901543 Online 2023 NEC Code Update Part 2 Code Credit (8 Hour CC) Quiz Please sign up for the before taking this quiz. Back Save Progress Retry Finish 1. 204 – 2023 NEC Code Changes Part 2 (01-01)1 The new Informative Annex K in the back of the NEC covers the use of Medical Electrical Equipment in the home. It suggests a warning label on ________ to not overload the circuit. (There has been an increase in at home patient care and the use of electrical dependent equipment.) All receptacles on that circuit Medical equipment used Medical equipment power cords Panelboards Reference: Annex K 2. 203 – 2023 NEC Code Changes Part 2 (01-01)1 Changes were made describing Type IV construction which now includes _________. (These construction types can determine allowable wiring methods.) Heavy and mass timber construction Type III Noncombustible one-hour ratings Noncombustible two-hour ratings Reference: Annex E 3. 202 – 2023 NEC Code Changes Part 2 (01-01)1 The 2023 NEC has created a new Table entitled Equipment Suitable for Hazardous Classified Locations. Approved equipment for a Class I, Division 1 location includes ________. Intrinsically safe Equipment suitable for zone 20 Impedance heating Heat tracing Reference: Chapter 9 Table 13 4. 201 – 2023 NEC Code Changes Part 2 (01-01)1 For Chapter 8 communication circuits, primary and secondary protectors are devices that provide protection to sensitive communication equipment by limiting current below the current carrying capacity. They are now required to ________. Be listed Withstand a surge of 5,000 amperes IC Withstand a surge of 10,000 amperes IC Be surge protected Reference: 805.170 5. 200 – 2023 NEC Code Changes Part 2 (01-01)1Communication System (Chapter 8) wires and cables shall be copper and have a voltage rating of ________ minimum. (These hybrid power and communication cables have also been relocated to the General Requirements article to avoid confusion.) 48 volts 300 volts 120 volts 200 volts Reference: 800.179 6. 199 – 2023 NEC Code Changes Part 2 (01-01)1Chapter 8 and Article 800 are known to stand on their own. The definitions from Article 100 ________ to Chapter 8. (The NEC continues to consolidate the common requirements from other Chapter 8 articles here to serve as a placeholder for those redundant requirements.) Apply only when replaced Shall not apply Apply May apply Reference: 800.3 7. 198 – 2023 NEC Code Changes Part 2 (01-01)1Optical Fiber Cables are now required to be installed and protected from physical damage like NMB cable (Romex) with nail plates in accordance with ________. (Although there is no shock hazard, some fiber cable can be critical for life safety.) 300.13 300.2 300.19 300.4 Reference: 770.24 8. 197 – 2023 NEC Code Changes Part 2 (01-01)1A new list item was added to allow a fire alarm branch circuit for a Power Limited Fire Alarm (PLFA) to be ________. (This is already a common practice in the industry.) Remotely located for security GFCI protected Secured in the off position Secured in the on position Reference: 760.121 B 9. 196 – 2023 NEC Code Changes Part 2 (01-01)1Fire Alarm circuits shall be supported by hardware including ________. J hooks Raceways or conduit Identified listed cable ties Zip ties Reference: 760.24 10. 195 – 2023 NEC Code Changes Part 2 (01-01)1Energy Management System equipment that supplies a branch circuit, feeder or service shall be ________. Field marked with the installation date Rated at 80 percent Rated at 115 percent Field marked with the maximum current setting Reference: 750.30 C 4 11. 194 – 2023 NEC Code Changes Part 2 (01-01)1If an Energy Management System malfunctions, the EMS ________. (No malfunctions please.) Shall notify the system monitors Can adjust the settings Shall automatically cease current flow Can address the condition Reference: 750.30 C 2 12. 193 – 2023 NEC Code Changes Part 2 (01-01)1An Energy Management System (EMS) shall be ________. (These are becoming very popular.) Performance tested Field evaluated Listed as a kit for field installation only Listed individual components assembled as a system Reference: 750.6 13. 192 – 2023 NEC Code Changes Part 2 (01-01)1The new Class 4 Fault Managed Power Systems are not limited by amperage, but there is a wire size limitation of ________. (Receptacles will not output power until a digital handshake is made with the receiver preventing electricity at the receptacle when not in use.) 14 AWG 8 AWG 6 AWG 4 AWG Reference: 726.144 14. 191 – 2023 NEC Code Changes Part 2 (01-01)1The new Class 4 Fault Managed Power Systems jacketed cables are permitted to be in the same raceway with ________. Class 2 cables Power limited fire alarm systems Nonpower limited fire alarm systems Class 3 cables Reference: 726.139 C 15. 190 – 2023 NEC Code Changes Part 2 (01-01)1When the new Class 4 power systems are allowed to enter the same enclosure as electric light and power to interconnect them, they must be separated by a minimum of ________. (Class 4 wiring methods have the potential to make electricity so safe that electrical fires and shock deaths would plummet.) 1/2 inch 5/8 inch 1/4 inch 3/4 inch Reference: 726.136 D 1 16. 189 – 2023 NEC Code Changes Part 2 (01-01)1With the new Class 4 power systems, generally, the cables and conductors shall not be placed in any enclosure or raceway with ________. (Also goes be Digital Electricity, Pulsed Power, Packet Energy, and Smart Transfer Systems. There are smart phones, smart TVs, they say it is time for smart electricity that may one day replace your service panel and wiring.) Class 2 Fire alarm Class 3 Fiber optic Reference: 726.136 17. 188 – 2023 NEC Code Changes Part 2 (01-01)1The new Class 4 Article for Power Systems shall be supplied from a power source voltage output of not more than ________. (The higher voltage leads to lower current and smaller conductor sizes compared to 120-volt systems leading to a “greener” construction project.) 60 volts DC 450 volts DC 100 volts DC 250 volts DC Reference: 726.121 18. 187 – 2023 NEC Code Changes Part 2 (01-01)1New Article 726 for Class 4 power systems is limited to ________. (There have already been many “Digital Electricity” installations made in the USA.) Dwelling units Dwelling units and multifamily units Open stadiums Commercial locations Reference: 726.12 19. 186 – 2023 NEC Code Changes Part 2 (01-01)1A new Article for Class 4 Power systems differs from Class 1, 2 and 3, by ________. (Limits energy including by human contact.) Not ensuring any fault is limited Not limiting the power Not monitoring the circuit Limiting the power Reference: 726.1 notes 20. 185 – 2023 NEC Code Changes Part 2 (01-01)1There has been clarification and rewording about bundling of Class 2 and Class 3 low voltage power limited circuit cables that transmit power and data. The cable (s) ________. Current shall not exceed the circuit limitation Must be derated if 3 or more are bundled Must be derated if 5 or more are bundled Shall not be bundled Reference: 725.144 21. 184 – 2023 NEC Code Changes Part 2 (01-01)1Now________ only covers Class 2 and Class 3 Power Limited Circuits including Power Limited Remote Control and Signaling Circuits that are not an integral part of a device or of utilization equipment. Article 724 Article 725 Article 726 Article 722 Reference: 725.1 22. 183 – 2023 NEC Code Changes Part 2 (01-01)1A new article was created for Class 1 control circuits with all the requirements relocated there. A Class 1 circuit shall be supplied from a source with a rated output of no more than ________. (These circuits are not typically recognized as power limited and they thought they should not be in Article 725 with Class 2 and 3 circuits like they were.) 30 volts 12 volts 120 volts 24 volts Reference: 724.40 23. 182 – 2023 NEC Code Changes Part 2 (01-01)1New Article ________ covers Power Limited Circuits including Power Limited Remote Control and Signaling Circuits when they are not part of a device or utilization equipment. 730 720 724 725 Reference: 724.1 24. 181 – 2023 NEC Code Changes Part 2 (01-01)1In this new Article 722 common cabling requirements previously found in Articles 725, 760, and 770 of the NEC were combined into this single location. Cables shall be installed ________. (In future additions of the code there are plans for much more consolidation.) To job specifications At right angles In a neat and workman like manner To follow building lines Reference: 722.24 25. 180 – 2023 NEC Code Changes Part 2 (01-01)1Generally, the required disconnecting means for Energy Storage Systems (ESS) shall be readily accessible ________. (Some ESS’s are small enough to be in storage containers.) Within sight and within 10 feet of the ESS And located on the structure And within 50 feet of the ESS And within 30 feet of the ESS Reference: 706.15 B 26. 179 – 2023 NEC Code Changes Part 2 (01-01)1An updated code section requires that an Energy Storage System (ESS) be properly maintained and shall ________. (Is this enforceable?) Have key components replaced yearly Be checked yearly Be checked monthly Include a written record Reference: 706.7 27. 178 – 2023 NEC Code Changes Part 2 (01-01)1An Energy Storage System (such as a battery backup) shall now be commissioned upon installation, _________. (Not just tested as before.) The commission must be completed by an electrical engineer And done periodically The commission must be witnessed by the AHJ This does not apply to one- and two-family dwellings Reference: 706.7 28. 177 – 2023 NEC Code Changes Part 2 (01-01)1A code section was modified to clarify that a system disconnect is always required for a source system and that a single disconnect shall ________ disconnect multiple power sources. (Such as PV, wind, fuel cells and energy storage systems.) Be permitted in commercial applications only Be permitted to Be permitted in dwelling unit only Not be permitted to Reference: 705.20 29. 176 – 2023 NEC Code Changes Part 2 (01-01)1Energy Management Systems (EMS) have been added to Article 705 for interconnected electric production sources. The EMS shall ________ on the busbars and conductors supplied by the PCS. (Used to toggle between the paralleled sources to be the most efficient use of these multiple sources.) Increase the current Limit the voltage Increase the voltage Limit the current Reference: 705.13 30. 175 – 2023 NEC Code Changes Part 2 (01-01)1Service conductors connected to Interconnected Electric Power Productions Sources disconnecting means shall not be smaller than ________. (This section has been completely revised and applies to systems interconnected with new or existing services.) 2 AWG Copper 6 AWG Copper 8 AWG Copper 4 AWG Copper Reference: 705.11 B 31. 174 – 2023 NEC Code Changes Part 2 (01-01)1For other than one- and two-family dwelling units with an Optional Standby System (such as a generator), a sign shall be placed at the ________ that indicates the location of each permanently installed, on-site source disconnect. Outside of the dwelling Main entry Emergency disconnecting means Service equipment Reference: 702.7 A 32. 173 – 2023 NEC Code Changes Part 2 (01-01)1The Legally Required Standby Systems shall _______ to occupy the same raceway, and junction boxes with other general wiring. (Legally required standby loads such as heating, ventilation, smoke removal, sewage disposal, and lighting systems.) Be permitted to Be permitted if load shedding occurs Not be permitted Be permitted to only if they are optional standby loads Reference: 701.10 A 33. 172 – 2023 NEC Code Changes Part 2 (01-01)1For emergency systems, unit equipment emergency lights used for egress must be on the same circuit ahead of any switches unless ________. (If the main does not trip, but the emergency lighting branch circuit does, will the exit and bug eyes no longer come on?) It originates from another panelboard A different circuit is identified at the unit Allowed by a building official It is a different circuit with a means to monitor the lighting Reference: 700.12 H 2 34. 171 – 2023 NEC Code Changes Part 2 (01-01)1On site multiple emergency system sources such as PV, wind, energy storage system, and fuel cells shall ________ to be connected to a microgrid system. (If this is done, non-emergency loads must be isolated from emergency loads during an emergency.) Be permitted only with monitoring supervision Only be permitted in dwelling units Be permitted Now not be permitted Reference: 700.12 G 35. 170 – 2023 NEC Code Changes Part 2 (01-01)1All Emergency Power Supply Systems (EPSS) shall have the capacity to supply and maintain the total load for a minimum period of ________ without being refueled or recharged. (Previously it was only 1.5 hours.) 4 hours 3 hours 6 hours 2 hours Reference: 700.12 C 36. 169 – 2023 NEC Code Changes Part 2 (01-01)1Separation of low voltage Class 2 circuits used to power emergency lighting systems from nonemergency circuits ________. (New emergency lighting systems include Power over Ethernet (POE) and low power LED luminaires.) Shall not be required with proper supervision Is required Is required only at terminations Is not required Reference: 700.11 C 37. 168 – 2023 NEC Code Changes Part 2 (01-01)1Emergency back up lighting systems powered by low voltage Class 2 wiring installations are now addressed. These emergency backup circuits when installed in a raceway shall be identified at intervals not to exceed ________. 25 feet 5 feet 10 feet 30 feet Reference: 700.11 B 38. 167 – 2023 NEC Code Changes Part 2 (01-01)1For an Emergency System, the temporary generator source of power connection point shall be field labeled ________. (To help prevent incorrect connections to the source. Neutrals floated verses bonded.) To identify the system voltage With the date of installation Applied before the installation With a nameplate Reference: 700.3 F 7 39. 166 – 2023 NEC Code Changes Part 2 (01-01)1For an Emergency System, the temporary generator source of power connection point shall be ________. (Also, to help assure that egress remains unimpeded.) Installed at least 18 inches above grade Located outdoors Located indoors Located within 15 feet of the transfer switch Reference: 700.3 F 6 40. 165 – 2023 NEC Code Changes Part 2 (01-01)1When an optional emergency back up system is installed, it shall be commissioned with a witness test by ________ and periodically afterward. (Not just tested as before.) The building owners The testing agency Electrical engineering firms The authority having jurisdiction Reference: 700.3 41. 164 – 2023 NEC Code Changes Part 2 (01-01)1Reconditioning of transfer switches is ________ for emergency systems, legally required and optional standby systems. (There was uncertainty that a reconditioned transfer switch would operate in emergency conditions without testing to destruction.) Permitted with engineering supervision Not permitted Now permitted Permitted in certain conditions Reference: 700.2 42. 163 – 2023 NEC Code Changes Part 2 (01-01)1A listed surge protection device’s surge protection shall be installed in or on a fire pump controller. An exception to the general rule is ________. (This was only in NFPA 20 before. These units have a lot of electronics in them now. Research showed that 12% of fire pumps tested had damage due to voltage surges.) When the fire pumps are monitored For fire pumps located in hospitals For diesel fire pumps For fire pumps under 5 HP Reference: 695.15 43. 162 – 2023 NEC Code Changes Part 2 (01-01)1A special requirement for the new NEC Article for Large-Scale PV Electric Supply Stations is that the station shall be monitored ________. (A 50-megawatt PV system produces about the equivalent of 25,000 residential PV systems.) By qualified personnel only From offsite From a central command center Physically daily Reference: 691.4 44. 161 – 2023 NEC Code Changes Part 2 (01-01)1The NEC Article for Large-Scale PV Electric Power Production covers the installation of PV electric production facilities generating no less than ________. (Article 690 for PV Systems fell apart with large systems.) 3000 KW 2000 KW 5000KW 4000KW Reference: 691.4 45. 160 – 2023 NEC Code Changes Part 2 (01-01)1Identification of Photovoltaic Systems (PV) that have a required rapid shutdown system shall have permanent labels installed with ________. (The fire fighters had a lot of political power serving on Panel 4. They wanted simple label language and a detailed roof diagram. The universal standard is yellow for caution and red for danger.) As per 705.10 1/2 inch minimum height letters 3/8 inch minimum height letters 5/8 inch minimum height letters Reference: 690.56 46. 159 – 2023 NEC Code Changes Part 2 (01-01)1Solar Photovoltaic (PV) System DC circuits that exceed 30 volts or ________ shall be provided with DC ground fault detector interrupter protection (GFDI). (To reduce fire hazards.) 7 amperes 8 amperes 6 amperes 5 amperes Reference: 690.41 B 47. 158 – 2023 NEC Code Changes Part 2 (01-01)1Photovoltaic (PV) System DC circuits that are over 1000 volts DC have limitations; they shall have a maximum voltage of ________. 1,500 volts 2,500 volts There is no maximum voltage 2,000 volts Reference: 690.31 G 48. 157 – 2023 NEC Code Changes Part 2 (01-01)1There are now conditions where Solar Photovoltaic DC and AC circuit conductors can be installed and occupy the same junction box. They must be identified, separated, and grouped at intervals not to exceed ________. (This change was made to provide relief where inverters are installed with wireways.) 6 feet 12 inches 6 inches 2 feet Reference: 690.31 B 3 49. 156 – 2023 NEC Code Changes Part 2 (01-01)1The requirement for a disconnecting means for isolating Solar Photovoltaic (PV) equipment has changed. If the disconnecting means is not within ________ or within sight, it shall be lockable. (This one could lead to some enforcement confusion.) 15 feet 10 feet 30 feet 25 feet Reference: 690.15 C 50. 155 – 2023 NEC Code Changes Part 2 (01-01)1Where a disconnecting means of a Solar Photovoltaic (PV) System operates above ________ and installed at a readily accessible location, is accessible to unqualified persons with a hinged cover exposing live parts, it will now require the disconnecting means to be locked. 24 volts 12 volts 30 volts 6 volts Reference: 690.13 A 51. 154 – 2023 NEC Code Changes Part 2 (01-01)1Options were revised for rapid shutdown for Solar Photovoltaic (PV) Systems. One option requires the reduction of the voltage with the array to a maximum of 80 volts DC or less within ________. (To limit shock hazard for firefighters by limiting voltage.) 1 minute 30 seconds 10 seconds 20 seconds Reference: 690.12 B 2 52. 153 – 2023 NEC Code Changes Part 2 (01-01)1The rapid shutdown requirement for Solar Photovoltaic (PV) Systems does not apply to ________. (Where the firefighting operations do not require roof access.) Any commercial structure A detached enclosed garage Unenclosed detached structures Any unoccupied building Reference: 690.12 ex 2 53. 152 – 2023 NEC Code Changes Part 2 (01-01)1The required rapid shutdown initiation device for a Photovoltaic System for a one-family dwelling shall be located ________. Inside the home 50 feet away from the arrays 30 feet away from the arrays Outside the building Reference: 690.12 C 54. 151 – 2023 NEC Code Changes Part 2 (01-01)1Photovoltaic (PV) System DC circuits ________ one-family dwellings shall have a maximum voltage of 600 volts or less. On or in On only Within 30 feet of Within 15 feet of Reference: 690.7 55. 150 – 2023 NEC Code Changes Part 2 (01-01)1Photovoltaic (PV) System DC circuits on any type of building other than a one- and two-family dwelling shall have a maximum voltage of ________. 1,500 volts 600 volts 2,000 volts 1,000 volts Reference: 690.7 56. 149 – 2023 NEC Code Changes Part 2 (01-01)1A new sub section has been added concerning PV equipment floating on bodies of water. This equipment shall utilize wiring methods ________. Suitable for damage That allows for expected movement Suitable for severe physical damage Suitable for physical damage Reference: 690.4 G 57. 148 – 2023 NEC Code Changes Part 2 (01-01)1Solar Photovoltaic (PV) Electronic Power Converters shall now be listed ________. And inspected on the site Or returned to the manufacturer Unless allowed by the building official Or be field evaluated Reference: 690.4 B 58. 147 – 2023 NEC Code Changes Part 2 (01-01)1New simplified illustrations using new and revised definitions were added to Solar Photovoltaic (PV) Systems that identify system ________ and conductors. (The term PV output has been replaced with PV source.) DC components AC components only Neither AC and DC components Connector components Reference: 690.1 59. 146 – 2023 NEC Code Changes Part 2 (01-01)1Generally, all outlets supplying all permanently installed non submersible pump motors for water fountains shall have ________. (The larger systems such as in Los Vegas were addressed.) GFCI or SPGFCI No additional requirements AFCI and GFCI GFCI Reference: 680.59 60. 145 – 2023 NEC Code Changes Part 2 (01-01)1A section was revised to specifically address non submersible fountain pumps. Outlets supplying all permanently installed pump motors are required to be provided with GFCI protection unless they are ________. (Referred to as centrifugal pumps, they can provide more pressure.) Listed low voltage motors not requiring grounding 40 amperes or less 30 amperes or less 50 amperes or less Reference: 680.59 61. 144 – 2023 NEC Code Changes Part 2 (01-01)1A new sub section has clarified the portion of a splash pad in a swimming pool area that is required to comply with the equipotential bonding requirements. The boundary of this area is to be considered ________. (An effort to identify that termination point.) The outside wall The inside wall The exterior fencing That determined by the AHJ Reference: 680.54 C 62. 143 – 2023 NEC Code Changes Part 2 (01-01)1For a water fountain, if a conductor is used for bonding, it shall now be a minimum ________. (The size was not mentioned before.) 6 AWG Copper or Aluminum 8 AWG solid Copper 6 AWG Copper 8 AWG stranded Copper Reference: 680.54 B 63. 142 – 2023 NEC Code Changes Part 2 (01-01)1Generally, all spas and hot tubs shave have ________ protection complying with 680.5. (Not sure if SPGFCI is currently available for this application.) GFCI and AFCI AFCI GFCI or SPGFCI GFCI only Reference: 680.44 64. 141 – 2023 NEC Code Changes Part 2 (01-01)1Except for ________, an emergency shutoff is required for a spa or hot tub. (There was confusion on this, so it was clarified.) Multifamily dwellings A one family dwelling Hotels and or Motels Two family dwellings Reference: 680.41 A 65. 140 – 2023 NEC Code Changes Part 2 (01-01)1All receptacles for a commercial swimming pool for a 480-volt pump motor shall have ________ protection. Not uncommon 20 mA but follow the instructions. Some require an additional larger equipment grounding conductor.) AFCI GFCI Both GFCI and AFCI Special Purpose GFCI (SPGFCI) Reference: 680.22 A 4 66. 139 – 2023 NEC Code Changes Part 2 (01-01)1When a swimming pool pump motor is ________, the pump motor shall be provided with GFCI protection. (Reworded so now for any reason) Maintained Repaired only Replaced only Repaired or replaced Reference: 680.21 D 67. 138 – 2023 NEC Code Changes Part 2 (01-01)1Equipment that is listed for pool and spa use ________ for use in pool and spa corrosive environments. Shall not be used Might be acceptable Is considered suitable Is not considered appropriate Reference: 680.14 B 68. 137 – 2023 NEC Code Changes Part 2 (01-01)1Revisions for Swimming Pools address the corrosion resistance of wiring methods needed where chemicals are stored. ________ is resistant to these corrosive environments. (If the entire circuit is not in that corrosive environment; this would only apply to the portion that is. These wiring methods assure a good grounding path.) Liquidtight Flexible Nonmetallic Conduit (Sealtight) Type UF cable Flexible Metallic Conduit (Flex) Electrical Metallic Conduit (EMT) Reference: 680.14 A 69. 136 – 2023 NEC Code Changes Part 2 (01-01)1The wiring methods for a corrosive environment for swimming pools are limited but it does include ________. (In the past raceway systems were required for pools regardless of the environment.) Aluminum conduit NM cable (Romex) Rigid Polyvinyl Chloride conduit (PVC) Aluminum tubing Reference: 680.14 A 70. 135 – 2023 NEC Code Changes Part 2 (01-01)1Another change for swimming pool equipment rooms, vaults, or pits with equipment is a new requirement for ________ in that space. (For installers and maintenance personnel.) At least 2 receptacles A minimum of 2 luminaires A minimum of 2 entrances At least 1 receptacle Reference: 680.12 B 71. 134 – 2023 NEC Code Changes Part 2 (01-01)1A change for swimming pool equipment rooms, vaults, or pits with equipment ________ or to be suitable for submersion. (Addresses a concern related to the risk of water rising over the electrical equipment.) Be a minimum of 4 inches able the floor To have drainage Be a minimum of 6 inches able the floor To be relocated Reference: 680.12 A 72. 133 – 2023 NEC Code Changes Part 2 (01-01)1Underground wiring is permitted within a maximum of 5 feet horizontally from the inside wall of a Swimming Pool if it is one of the wiring methods ________. (Underground wiring is not allowed under the pool unless used for pool equipment.) Is installed with a caution tape Is Rigid Metal Conduit only That has surge protection That is installed as a complete system between junction points Reference: 680.11 A 73. 132 – 2023 NEC Code Changes Part 2 (01-01)1 The ampacity of the branch circuit conductors and the rating or settings of the overcurrent protective devices for electric pool water heaters shall be sized ________. (Now addressing more recently used heat pumps and chiller equipment.) As per the nameplate At 115 percent of the nameplate rating At 100 percent of the nameplate rating At 125 percent of the nameplate rating Reference: 680.10 A 74. 131 – 2023 NEC Code Changes Part 2 (01-01)1The minimum clearances for ________ not in a raceway over Swimming Pools shall comply with the provisions of Article 680. (Typically, 22.5 feet.) Just feeder conductors Just service conductors Just branch circuit conductors Overhead power conductors Reference: 680.9 A 75. 130 – 2023 NEC Code Changes Part 2 (01-01)1The code section for swimming pool feeders and branch circuit grounding and bonding was changed and re-formatted for clarity by stating that if these conductors are installed in a corrosive or wet environment, an insulated equipment grounding conductor is required with a minimum size of ________. (See also the new definition of a corrosive environment.) 12 AWG 14 AWG 10 AWG 12 AWG copper or 10 AWG aluminum Reference: 680.7 76. 129 – 2023 NEC Code Changes Part 2 (01-01)1The NEC clarified when SPGFCI protection for swimming pools on branch circuits operating at voltages above 150 volts to ground. The SPGFCI protection shall not exceed ________ ground fault trip current. (To address 277- and 480-volt pumps.) 4 mA 20 mA 6 mA 10 mA Reference: 680.5 77. 128 – 2023 NEC Code Changes Part 2 (01-01)1The scope for Industrial Machinery added required ________ for those machines that utilize safety circuits. (Ensures worker safety by making sure safety circuits remain operational.) Overvoltage (surge) protection SPGFCI AFCI GFCI Reference: 670.1 78. 127 – 2023 NEC Code Changes Part 2 (01-01)1In an area where welders are being used, ________ shall now be GFCI protected. (Justification came from a college with sweaty students in confined spaces facing additional risks.) 125-volt 20 ampere receptacles used for portable tools The welder receptacle Luminaires The smoke detectors Reference: 630.8 79. 126 – 2023 NEC Code Changes Part 2 (01-01)1Bidirectional Electrical Vehicle Supply Equipment (EVSE) are ________ to be part of interconnected power systems operating in an island mode condition. (Your home or the grid taking power back from your rig.) Permitted only in dwelling units Permitted only in parking garages Not permitted Permitted Reference: 625.49 80. 125 – 2023 NEC Code Changes Part 2 (01-01)1Substantiation was received that led to the addition of ________ receptacles to the list of permitted amperages for portable electric vehicle supply equipment (EVSE). (In the interest of reducing charging time.) 100 amperes 80 amperes 115 amperes 60 amperes Reference: 625.44 A 81. 124 – 2023 NEC Code Changes Part 2 (01-01)1Generally, each installed outlet used to supply an Electric Vehicle that is greater than ________ or 120 volts shall be on an individual branch circuit. 10 amperes 15 amperes 12 amperes 16 amperes Reference: 625.40 82. 123 – 2023 NEC Code Changes Part 2 (01-01)1New equipment can offer wireless charging of electrical vehicles (EVs), without having to physically connect to a cord. “Wireless Power Transfer Equipment” (WPTE) cords shall not exceed 25 feet and are now measured from the control box to ________. (This new technology works like wireless cell phone chargers. The car drives over a pad when it parks.) The primary pad A charger power converter The radio distribution system A listed coupler Reference: 625.17 C 83. 122 – 2023 NEC Code Changes Part 2 (01-01)1A clarification has been made for Electric Vehicle Power Transfer Equipment that specifies which equipment including ________ must now be listed. (The xxx.6 section has become a common location associated with listing.) The one-hole straps A technician Bidirectional current flow The vehicle Reference: 625.6 84. 121 – 2023 NEC Code Changes Part 2 (01-01)1An exception recognizes that a plug and cord connection not over ________ in length as an acceptable disconnecting means where a chair lift uses batteries as its primary power source. 8 feet 6 feet 12 feet 10 feet Reference: 620.51 A ex 85. 120 – 2023 NEC Code Changes Part 2 (01-01)1Changes for elevators now specify which cable types may be installed in an elevator raceway or traveling cable such as ________. Hybrid communication cables Type BMU cables Coaxial cables CNUC communication wires Reference: 620.36 86. 119 – 2023 NEC Code Changes Part 2 (01-01)1The branch circuit supplying lighting for an Elevator machine or control room shall now be ________. (To avoid a trip making the lights go out.) An isolated ground GFCI protected Redundant Separate from the receptacles Reference: 620.23 A 87. 118 – 2023 NEC Code Changes Part 2 (01-01)1A change for elevators limits which loads may be powered by the car lighting circuit. Equipment now includes ________. (The amperage is very small with the risk of tripping the overcurrent device minimal.) The required pit receptacle Pit lighting The sump pumps Air purification equipment Reference: 620.22 A 88. 117 – 2023 NEC Code Changes Part 2 (01-01)1In an elevator, Class 2 low voltage cables are now allowed as travelers fed from the elevator car light circuit with a minimum size of ________. 14 AWG 24 AWG 16 AWG 20 AWG Reference: 620.12 A 89. 116 – 2023 NEC Code Changes Part 2 (01-01)1Now when a retrofit kit to upgrade an electric sign, all parts ________. (Retrofit kits used in signs are uniquely different from others.) Not replaced shall be inspected for damage Must be marked Shall be replaced Shall be used Reference: 600.35 90. 115 – 2023 NEC Code Changes Part 2 (01-01)1An Electric Sign or Outline Lighting outlet ________ at an entrance of a commercial building for deliveries, intended to be used only by employees. Shall not be installed Shall be installed Must be installed if requested by the AHJ Shall not be required to be installed Reference: 600.5 A ex 91. 114 – 2023 NEC Code Changes Part 2 (01-01)1A commercial building requires a 20-ampere circuit dedicated for a sign that supplies no other load, an exception to this is ________. (Intent before also.) A time clock controller There are no exceptions Egress lighting Exit signs Reference: 600.5 A 92. 113 – 2023 NEC Code Changes Part 2 (01-01)1In a Temporary Installation, overcurrent devices for solidly grounded wye services over 150 volts (250-volt outlets) to ground with available fault current over 10,000 amperes ________. Shall now be current limiting Are no longer allowed Shall be eliminated Shall be tested Reference: 590.8 B 93. 112 – 2023 NEC Code Changes Part 2 (01-01)1The 2023 NEC has revised a code section requiring that previously used overcurrent protective devices for temporary installations be examined to ensure ________. (Arcing, overheating, loose parts, deterioration, etc.) They were properly installed All these statements are true Proper maintenance There is no evidence of impending failure Reference: 590.8 A 94. 111 – 2023 NEC Code Changes Part 2 (01-01)1For temporary lighting installations, metal guarded sockets (covers) shall not be used ________. (Previous language dates to 1990 and some installations had only 2 conductors that were available.) Unless the guard is physically protected from severe damage Unless connected to the equipment grounding conductor Unless connected to the grounded conductor If installed below 8 feet Reference: 590.4 F 95. 110 – 2023 NEC Code Changes Part 2 (01-01)1Article 555 for marinas has now begun to address lighting around the docking facilities. If a luminaire is installed underwater, it shall ________. (In this harsh environment, if it is damaged there will only be a loss of underwater lighting but not likely any loss of life.) Not be allowed Operate below the low voltage contact limits Not be identified Be designed by an electrical engineer Reference: 555.38 B 96. 109 – 2023 NEC Code Changes Part 2 (01-01)1Luminaires (light fixtures) and their supply connections shall be properly secured in a marina to limit damage from ________. Bird life Tow lines Swimmers Watercraft Reference: 555.38 A 97. 108 – 2023 NEC Code Changes Part 2 (01-01)1New language has been added to Article 555 for marinas that mandate that an emergency disconnect be located ________ a marina power outlet or enclosure that provides shore power to boats. (If a swimmer is being subjected to an electrical current there is very little time to act. The closest boat to the swimmer is most likely the offender, swim away from the boats and docks.) Within 50 feet (within sight) of Within 5 feet from Adjacent to Within 25 feet from Reference: 555.36 C 98. 107 – 2023 NEC Code Changes Part 2 (01-01)1A leakage current device is required at marinas when they have over 3 vessels to check for stray currents common at these locations. This device must now be listed by ________. (To the testing performance requirements of UL 1399. Hard to enforce this one.) January 1, 2026 January 1, 2025 January 1, 2023 January 1, 2024 Reference: 555.35 D 99. 106 – 2023 NEC Code Changes Part 2 (01-01)1When more than ________ receptacle(s) supply shore power to boats, a leakage current device for use in marina applications shall be available to measure each boat. (Several have died. The NEC cannot require that the vessels be tested, but they can require the device to be available.) 1 2 3 0 Reference: 555.35 D 100. 105 – 2023 NEC Code Changes Part 2 (01-01)1In a marina, boatyard or docking facility, a new language has been added that mandates that when electrical equipment is replaced, ________. (See also the rules for damaged equipment. The emphasis continues in the Articles because of the documented drownings from electrical shock.) They shall comply with the code edition in affect when initially installed The normal listing requirements are not now a factor They shall comply with the requirements of this code (current edition) A licensed electrical engineer shall be consulted Reference: 555.15 Complete Quiz Restart Quiz Save Progress Back Save Progress Retry Finish