A new option item ________ was added to address areas where raceways were subject to temperature changes that can cause condensation. (The circulation of warm area such as into a cold storage is the primary cause of condensation in raceways that can then drip into electrical enclosures.)

Restoring and reconditioning Medium Voltage (MV 2,000 to 35,000 Volts AC) electrical equipment for re-use such as _________ is now prohibited. (MV equipment is very vulnerable to degradation. Restoring has become popular to cut costs.)

An update to Underground Feeder and Branch-Circuit Cable (Type UF) now permits the use of _______ conductors as the minimum size for this burial type cable. (This popular cable commonly used in residential and light commercial underground applications can run long distances so this change can be a considerable cost savings.)

___________ that include cooking facilities which have permanent provisions for cooking shall now meet the kitchen small applicance branch circuit AFCI and GFCI requirements of dwelling units. (Previously only guest rooms and suites in hotels or motels were required.)

If overcurrent protection is not provided at the generator, conductors from generator to the first overcurrent protective device must have an ampacity of at least_________. (This requirement accounts for possible operational overloads or transient surges )

Service entrance conductors are allowed to be spliced or tapped, and the equipment used must be both listed and marked or identified for use. The new industry-recognized abbreviation that manufacturers can use instead of the entire phrase “suitable for use on the line side of service equipment” is _______. (in the past, this was not allowed, making changes challenging. Line side equipment must meet strict additional standards because they are not protected by an overcurrent device.)

In an enhancement to the grounding and bonding rules the NEC has added ________ to the list of raceways that shall be bonded at both ends if it contains a grounding electrode conductor. (Nonferrous metals like aluminum do not produce significant magnetic properties or heat so do not create the same risk during a fault condition.)

Where must the equipment grounding conductor (EGC) be connected for a separately derived system such as a generator? (Stated an article 525 exception it reads this section 525.31 shall not apply to portable generators used in accordance with 445.20 A exception )

Which of the following is required for a faceplate that incorporates a night light and is installed over a receptacle outlet?

As a general rule, in dwelling units, outdoor circuits rated at 150 volts or less to ground require GFCI protection for __________. (This increase addresses the trend for larger HVAC units now being installed in residential applications.)

When raceways are installed in a wet location above grade level they now shall _______. (Moisture accumulation can be an issue in environments such as food processing plants, car washes, and swimming pools.)

The NEC clarified that a remote control device a service disconnect ____ as the service disconnect itself is meeting those requirements (such as push buttons, relay circuits, or wireless controllers.)

A new NEC section now covers the method required to establish an effective ground fault path when installing a nonmetallic enclosure with metallic raceways. Generally, ________ metallic wiring method shall have bonding jumpers or fitting. (Although uncommon, there are specially designed and listed nonmetallic enclosures with built in metal bonding.)

Which of the following is TRUE regarding service equipment for a mobile home under Article 550?

The 2026 NEC requires which of the following bonding methods for normally non–current?carrying metal parts of electrical equipment, raceways, metal?clad cable, and metal enclosures in hazardous classified locations?

Generally, wiring methods and materials installed under ________ has been revised and still must maintain a separation of no less than 1 1/2 inch from the roof decking. (This section was also re-written in the 2023 NEC.)

According to the NEC, an electric vehicle connector shall NOT be located within a __________ location as defined in 511.5.

Article 480 applies to which of the following battery installations? (The term standby has been removed to clarify that requirements apply to all battery installations )

According to 2026 which of the following correctly describes the requirements for isolating means used to completely isolate equipment from all ungrounded conductors (other than service conductors)?

New NEC Article 268 covers services over 1000 volts AC or 1500 volts DC and acknowledges that supervised installations can have grounding and bonding designed by _______. (A formal introduction of customized conductor sizing for high voltage systems.)

Which of the following statements correctly reflects the revised requirements for reconditioned equipment used in hazardous (classified) locations?

According to the NEC, which of the following types of equipment is not permitted to be reconditioned?

Which of the following is REQUIRED for the disconnecting means of a moving ride or amusement attraction under Article 525?

Service equipment beyond what is specified in 230.2 A shall be _______. (With the changing times, service equipment may need to be modified or custom-built in the field.)

The Essential Electrical System (EES) shall be divided into which branches, and where shall the division occur when more than one transfer switch is required? (The 2026 NEC edition this section’s title was updated to essential electrical systems and the terms nursing home and limited care faculties were removed the title now better reflects its content )

Lighting equipment identified for horticultural use shall be supplied by outlets protected in accordance with which of the following?

For branch circuits over 1000 volts AC that can require servicing, a 125 volt single phase 15- or 20-ampere receptacle outlet shall be available __________. (Generally the receptacle shall not be powered from the load side of the equipment.)

The residential installation of receptacle outlets on the walls of cabinets with countertops or work surfaces shall now be installed no less than _______ below that countertop. (Recent code cycles restricted the number and locations because of the large number of inuries to crumb crunchers as a result of pulling the appliance cords. Kitchen appliance cords are 2 feet long.)

The NEC section that governs the maximum number of disconnects each service can have has been revised and clarifies that ______ does not have to be counted as one of the permitted service disconnects. (There was confusion about disconnects that served as protection rather than load-serving functions.)

The NEC created a new code section for branch circuits over 1000 volts AC that allows conductor sizing to be determined by other than the NEC tables if the installation is __________. (This acknowledges that these can be complicated systems requiring flexibility.)

There are now enhanced marking requirements for one- and two-family residential service disconnects and specifically state that the marking ______. (Some state rules also have additional requirements.)

A building service with multiple disconnecting means in separate enclosures is allowed to use a common grounding electrode, with a tap to each disconnect __________. (The format also changed from a dense paragraph to the list-style because of common misapplications and inconsistent interpretations.)

Where cannabis oil booths are provided with a gas detection system installed in accordance with 500.7(K) or 505.8(I), electrical equipment listed for __________ shall be permitted.

According to 2026 NEC which of the following statements correctly describes the rules for installing reconditioned reactors and resistors?

Armored Cable is now required to be supported with approved and listed _________. (Non listed devices can degrade with time under heat.)

New Article 206 outlines the general requirements for ________. (Non-Powered-Limited circuits can pose a bigger risk for fire and shock. Previously this content was limited to Chapter 3.)

A warning sign is required where removal of a grounding or bonding connection in power?source equipment would interrupt the grounding?electrode?conductor or grounded?conductor connection to another energized source. What must the sign state?

Each dispensing device shall be provided with a means to remove all external voltage sources during maintenance and service. This disconnecting means shall remove ungrounded and grounded power conductors, communication, data, and video circuits. The location of this means is permitted to be __________.

A change in determining the required receptacle outlet placement in dwelling units was a revision to exclude _________ from the wall space measurements. (The purpose was to reduce the overuse of extension cords. This should simplify the task of laying out receptacle outlet locations in the home.)

When an EES uses more than one on?site power source, which of the following is REQUIRED when any single on?site source is disabled for service?

As a general rule, receptacle outlets shall now not be installed within ________ of residential kitchen cabinets with countertops or work surfaces. (Apparently we installers would place these receptacles close so the power supply cord of an appliance could reach in the absence of suitable wall space.)

Motor control centers supplied by a feeder shall be marked in accordance with which section to identify the location of all means necessary to disconnect power to the motor control center?

Outdoor receptacle outlets installed on mobile or manufactured homes must now comply with which NEC section?(Again this section is now in alignment with the requirements for stick built homes )

According to the 2026 NEC, the requirements of Article 700 shall NOT apply to which of the following?(This change addresses the impracticality of applying article 700 to all components of the electrical essentials system the change emphasizes only life safety branch of the essential electrical system must comply with 700 )

A new list item now permits grounded neutral conductors sized 6 AWG and smaller with white or gray insulation to have a ________. (This should help match a neutral to the corresponding phase conductors in a raceway with other conductors. ( This has already been done in other countries.)

The NEC requirement to list service equipment as suitable as service has been consolidated into a list format and now includes _________. (An increasing emphasis on listing ensuring product safety through third party certification. AVTs are used to verify that circuits are de-energized.)

The NEC created Article 270 to cover grounding and bonding for systems over 1000 volts AC or 1500 volts DC. Grounding for systems _________ is now also covered. (These systems can be specialized with increased risk of ground touch potential.)

When cable ties are used as support for flexible conduit and tubing they shall be listed and identified for that purpose such as ________. (The 2023 edition of the NEC officially allowed the use of cable ties for cable systems.)

On work surfaces, receptacles shall not be installed in a face?up position unless which condition is met?

Ground-Fault Circuit-Interrupter Protection (GFCI) requirements in dwelling units have made adjustments to include storage and work areas not intended as habitable rooms ______________. This modification is intended to decrease hazards.

Nonmetallic-Sheathed Cable (Type NM and NMC, Romex) shall not officially be used _________. (Prior editions of the NEC did not specifically prohibit this.)

Tamper?resistant receptacle requirements have expanded to include which of the following locations in addition to dwelling units?

When using reconditioned switches, not all types are permitted to be installed. Which type is permitted under the 2026 National Electrical Code?

Non grounding type receptacles with no grounding conductor present can be replaced with_______.

Article 404 requires switches to be installed in easily accessible locations. What is the maximum permitted height to the center of the grip of the operating handle when the switch is in its highest position?

If a 14 AWG Copper-Clad Aluminum Conductor is used to supply a branch circuit, the maximum overcurrent protection (circuit breaker) device rating is ___________. (This major change is the NEC response and solution to lower power usage. Copper-Clad seems lighter and more flexible to use but more subjectable to damage. This circuit is not allowed to supply receptacle outlets.)

For Intermediate Metal Conduit (IMC) __________ now permitted as an acceptable means to prevent galvanic corrosion when joining dissimilar metals. (This comes up in retrofits such as industrial expansions or changes.)

Which of the following is REQUIRED for the disconnecting means of a non?moving attraction or portable structure such as a tent, concession, inflatable, or slide?

Which of the following bonding methods is not permitted for normally non–current?carrying metal parts in hazardous classified locations?(Vision grounding and bonding requirements for hazardous locations were found in three different locations )

The scope of new NEC Article 267 covers _______ operating at 1000 volts AC or 1500 volts DC. (Previously located in Article 235 along with other higher voltage systems.)

A new NEC revision adds requirements for identification and labeling of switchboards, switchgear, and panelboards. Under this revision, which section must these assemblies comply with?

Article 525 of the 2026 NEC covers the installation of portable wiring and equipment for which of the following?( Revised article 525 clarify the requirements for temporary power systems in entertainment settings these changes are not only editorial but structural making the article easier to navigate implement and enforce in high risk venues ware public safety is essential)

Ground-Fault Circuit-Interrupter Protection (GFCI) requirements for non-dwelling units clarified ___________ such as an aquarium is required where receptacles are installed within 6 feet. (Revised to reduce confusion and possible unnecessary installation of GFCI protection.)

Information on electrical equipment that is required to be listed scattered throughout Chapter 3 has been relocated into one new section and now includes ________. (The term listed means a product that has been tested and certified by a Nationally Recognized Testing Laboratory (NRTL) such as UL or ETL.)

According to the NEC, which of the following statements about reconditioned wiring devices is correct?(Wiring devices cannot be reconditioned because they’re inexpensive are safety critical have internal components that cannot be inspected and are not designed for refurbishment )

According to the NEC, electrical equipment and wiring for electric vehicle power transfer systems shall be installed in accordance with Article 625 Part III, except as modified by 511.10(B)(2) and 511.10(B)(3). Flexible cords used in these systems shall be __________.

All activities, systems, and equipment that are new or altered in patient care spaces shall be designed and installed to meet the requirements of which of the following?(NFPA 99 category 1 failure likely to cause major injury or death category two failure could cause minor injury category three failure unlikely to cause injury but may cause discomfort category 4 failure has no impact on safety or care )

According to 2026 NEC what provision must be included in stationary battery installations to prevent damage and hazards?( this updates battery safety requirement , to control Thermal runaway especially in lithium-ion chemistry , gas buildup inventing in lead acid and nickel cadium systems , swelling, fire, or explosions and to keep battery life at its maximum )

The list that governs what equipment is allowed to be used on the supply side (line side) of service equipment has undergone a substantial re-organization and now also includes _________. (This reflects the increased demand for these to enhance safety also during maintenance.)

A new code section for overcurrent protection now covers and introduces the new term “transformer secondary conductors,” and they are permitted to be ________. (This change separates feeder tap conductor from the transformer secondary rules.)

According to the 2026 NEC the terminology for generator remote emergency shutdown has been modernized by replacing an old term emergency stop switch with_______. (This update reflects the evolution of generator control technologies which increasingly rely on digital systems programmable interfaces and network control circuits rather than physical traditional switches )

For branch circuits over 1000 volts AC, Medium Voltage equipment shall be rated not less than ________ of the sum of all loads. (In contrast to the 80% default load rating used in low voltage applications.)

A non–grounding?type receptacle with no grounding conductor present may be replaced with which of the following?

There is a significant change to the scope of NEC article 404 by including __________.

New listing requirements for Metal-Clad Cable (Type MC) now requires ________ to be listed and identified for use. (Based on the UL standard 2239 for safety of hardware.)

In Class I, Division 1 locations, one or more of the wiring methods in__________ shall be used in accordance with the requirements of the sections in the reference column and with the respective wiring?method requirements applied. For example, Type P cable is permitted only in __________ industrial establishments.(This update puts the code into table form for improve usability enabling installers to more clearly determine which wiring methods are allowed )

Essential electrical system (EES) loads must be served by two or more independent sources or sets of power sources and feeders. At least one of these sources must be __________, and additional sources are permitted to be __________.

Receptacles shall not be installed in a face?up position in which of the following locations? (The NEC prohibits installing receptacles face?up on work surfaces because liquids can spill directly into the device,debris can fall into the openings and It creates a shock and contamination hazard)

According to 2026 NEC the outdoor disconnecting means for a split?system HVAC unit in other than one? and two?family dwellings must be marked with which of the following?

Automatic controls like motion sensors or time based controllers ________ as the sole means of controlling illumination in attics, underfloor spaces, and utility rooms. (To ensure that we are not left stranded in the dark in a potentially dangerous tight space.)

The NEC has eliminated ________ as an option for securing Mineral-Insulated (Type MI) cable. (Type MI cable is often used for fire alarms, high temperature locations, and emergency systems. It can be vulnerable to mechanical stresses during the installation.)

A new exception was added for Metal-Clad Cable (Type MC) with ________ which is now permitted in a damp or wet location. (These resist oxidation and galvanic corrosion effectively.)

All underground wiring in aircraft hangars shall comply with 513.8(A), 513.8(B), or 513.8(C). Where such wiring is located in vaults, pits, or ducts, adequate drainage shall be provided and the installation shall comply with the requirements for __________ locations.(This revised text removes the requirement to classify underground installation At aircraft hangers solely as Class one, Division one )

According to the 2026 NEC, the risk of ignition from optical radiation must be evaluated for which types of equipment when the radiation falls within the 380 nm to 10 ?m wavelength range and may enter a hazardous location?(Would you call this forward thinking? may be necessary in hazardous location safety. Lasers are here to stay )

According to the 2026 NEC, reconditioned equipment permitted to be installed in Zone?classified locations shall comply with the requirements of __________.

If a 16 AWG copper conductor is used to supply a branch circuit, the maximum overcurrent protection (circuit breaker) device rating is __________. (This circuit is not allowed to supply receptacle outlets.)

What was the purpose of adding Parts VI and VII to Article 495 in the 2026 NEC?(The 2026 NEC introduces two entirely new parts article 495 parts VI and VII , expanding coverage beyond just transformers to include other types of oil insulated medium and high voltage equipment )

A new section in NEC article 240 identifies what overcurrent protective devices (OCPDs) are suitable and approved for providing branch-circuit, feeder service conductors and electrical equipment including _________. (The intent was to create one location for users that identified the types of breakers and fuses that the NEC recognized.)

New panelboards are not allowed in a bathroom, addition additional supplementary circuit breakers to an existing panelboard is _________. (Prior to the 1993 code cycle it was common and allowed to install panels and subpanels in homes.)

The NEC requirement to provide an Intersystem Bonding Termination (IBT) device at the service equipment and separate structure now additionally able to be secured and connect directly to ___________. (ITBs are used as a common grounding point for other systems like telephone, cable, and broadband. These are frequently grounded improperly if at all.)

Surge-Protection Devices (SPDs) on feeders has been expanded beyond residential occupancies to now include __________. (To safeguard electronic equipment in sleeping and living quarters such as smoke alarms.)

According to 2026 NEC when overcurrent protection is not provided at the generator terminals, the ampacity of the conductors from the generator terminals to the first distribution device containing overcurrent protection shall be not less than which of the following?

If the disconnecting means for air?conditioning or refrigerating equipment is readily accessible to unqualified persons, what requirement applies to any enclosure door or hinged cover that exposes energized parts when opened?

Updated language for cable trays now allows ________ rated 2000 volts or less in the trays. (The terminology “evenly distributed across the cable tray” was eliminated, replacing it with conductor count and size. That term was used to encourage proper heat dissipation but it was hard to enforce.)

When a dwelling unit HVAC outdoor outlet is replaced and Special Purpose SPGFCI protection is used, ___________. (Special SPGFCIs marked HF are higher frequency weighted that help with inherent leakage currents like HVAC equipment which have had issues with tripping and system lockouts resulting in service calls.)

A significant change to NEC Article 404 in the 2026 edition is: (The 2026 NEC narrows Article 404 to cover only equipment?type switches. Device?type switches—such as snap switches, dimmers, and electronic controls—were moved to Article 406 as part of a structural reorganization.)

Part II of Article 517 does NOT apply to which of the following spaces?

The requirement for a receptacle to serve electrical equipment for servicing and maintenance activities has been revised __________.

Modification of luminaires using retrofit kits is permitted only when the retrofit kit is __________.

A new section now clearly states that _________ cannot be reconditioned and installed. (Seems to come up more frequently now as our electrical equipment ages and natural disasters occur.)