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E1 RESIDENTIAL ELECTRICAL INSPECTOR
(ACTUAL 2025) QUESTIONS WITH CORRECT
VERIFIED ANSWER
Receptacle outlets shall be equipped with ground-fault circuit interrupter protection when located within ___ feet from the outside edge of a sink. - <<>>>
Section E3902.
Receptacle outlets shall be equipped with ground-fault circuit interrupter protection when located within ___ feet from the outside edge of a bathtub or shower stall. - <<>>>
Section E3902.
Boxes used to support ceiling luminaires shall be capable of supporting a luminaire weight no more than ___ pounds. - <<>>>
Section E3905.6.
Boxes used to support ceiling-suspended fans shall be capable of supporting a ceiling fan that weighs no more than ___ pounds. - <<>>>
Section E3905.
When thread-forming machine screws are used to connect grounding conductors to metal boxes, they shall be engaged not less than ___ thread(s) in the enclosure. - <<>>>Two
Section E3908.15 #
At no point shall an equipment bonding jumper on the load side of an overcurrent device be smaller than ____ AWG. - <<>>>No. 14
Section E3908.
A trash compactor appliance listed to be connected with a flexible cord shall have a minimum cord length of ____ inches and a maximum cord length of ____ inches. - <<>>>36, 48
True or False. Metal faceplates for receptacles are NOT required to be grounded. - <<>>>False
Section E4002.
Cord-suspended luminaires shall not be located within an area measured ___ feet horizontally and ___ feet vertically from the top of a bathtub or shower stall threshold. - <<>>>3, 8
Electrical devices operating at less than ___ volts and not supplying more than ___ watts of energy shall be exempt from requiring an electrical permit. - <<>>>25,
Section R105.2 Electrical #
Who has the authority to give permission to provide temporary power? - <<>>>Building Official
Section R107.
A ______ conductor is a conductor that is encased within a material or has a thickness NOT recognized by the IRC as electrical insulation. - <<>>>Covered
Definitions Section E3501 - Conductor, Covered
An approved enclosure shall be used to guard people against accidental contact with energized parts that operate at a minimum of ______ volts. - <<>>>
Section E3404.
When splicing, terminating, or connecting a conductor to a fixture or device the minimum length of free conductor required at an outlet, junction box, or switch point shall be at least ____ inches? - <<>>>
Section E3406.11.
Electrical copper conductors used for feeders and branch circuits shall have a minimum size of ______. - <<>>>No. 14 AWG
Section E3406.
An overhead service conductor spanning over a driveway shall maintain a minimum vertical clearance of ____ feet from final grade. - <<>>>
Section E3601.6.
A metal underground water pipe must be in direct contact with the earth for a minimum of ___ feet to be considered as a grounding electrode. - <<>>>
Section E3608.1.
A ground ring can be used as a grounding electrode if located a minimum ___ inches below the earth and at least ___ feet of bare copper wire no smaller than ___ AWG is used. - <<>>>30, 20, 2
Section E3608.1.
Two grounding rods used in one grounding electrode system must be located at least ___ feet apart. - <<>>>
Section E3608.
When a rod is used as a grounding electrode, it shall not be less than ___ feet in length. - <<>>>
Section E3608.1.
When a rod used as a grounding electrode is buried in a trench, what must the minimum depth of the trench be? - <<>>>30 Inches
Section E3608.1.4.
A supplemental grounding electrode is not required when the single grounding electrode provided has a resistance of ___ ohms or less to the earth. - <<>>>
Section E3608.4 Exception
A minimum unit load of ___ volt-amperes shall be used to size feeder conductors for lighting and general use receptacle loads per square foot of floor area. - <<>>>
Section E3704.
What is the minimum demand load factor in volt-amperes for an electrical clothes dryer circuit when calculating to determine the minimum electrical feeder loads? - <<>>>5,000 VA
Table E3704.2(1)
What is the minimum size a circuit conductor is required to be when a branch circuit having two or more outlets is rated at 20 amps? - <<>>>12 AWG
Table E3702.
Fixed utilization equipment shall be supplied with a minimum ___-ampere branch circuit. - <<>>>
Section E3702.
True or False. An electric space heating and water heating appliance shall be considered as a continuous loads. - <<>>>True
Section E3702.
Lighting units are permitted to be supplied with either a ___- ampere or ___-ampere branch circuit. - <<>>>15,
Section E3702.
The ampacity of branch circuit conductors shall not be less than ___ percent of the motors full-load current rating when supplying a single motor. - <<>>>
Section E3702.
Receptacle outlets located in laundry areas shall be provided with a minimum of _____ branch circuit(s). - <<>>>One 20-ampere-rated
Section E3703.
Receptacle outlets supplying bathrooms shall be provided with a minimum of _____ branch circuit(s). - <<>>>one 20-ampere-rated
Section E3703.
An individual branch circuit rated at ____ amperes or greater is permitted to supply the receptacle outlet for a refrigeration appliance. - <<>>>
Section E3703.2 Exception
Cables not sleeved yet exposed to direct sunlight shall be listed and marked as "______". - <<>>>Sunlight Resistant
Section E3802.3.
When determining the required number of receptacle outlets within a room, floor receptacle outlets cannot be counted unless they are located within ____ inches from the wall. - <<>>>
Section E3901.2.
Bathrooms shall have at least one wall receptacle outlet installed within ___ inches of the outside edge of a lavatory basin. - <<>>>
Section E3901.
Section E4003.
Luminaires that weigh more than ___ pounds shall NOT be supported by the screw shell of a lampholder. - <<>>>
Section E4004.
True or False. A branch-circuit overcurrent device is allowed to be used as a disconnecting means for permanently connected appliances rated not over 300 volt-amperes. - <<>>>True
Section E4101.5, Table E4101.
A flexible cord for a cord-and-plug connected trash compactor must have a minimum cord length of ____ and maximum length of ____ inches. - <<>>>36, 48
Section E4101.3, Table E4101.
Appliances and equipment shall be installed in accordance with which of the following? - <<>>>Manufacturer's installation instructions
Section E4101.
Underground wiring installed in a rigid metal conduit and located within 5 feet horizontally from the inside wall of a swimming pool shall have a minimum burial depth of ___ inches. - <<>>>
Section E4203.7, Table E4203.
At least one receptacle outlet shall be installed at hallways having a length of ___ feet or more. - <<>>>
Section E3901.
Receptacle outlets shall have ground-fault circuit-interrupter protection when installed at which of the following locations? (Bathrooms, garages, outdoors, all of the above) - <<>>>All of the above
Section E3902.1, E3902.2, E3902.
True or False. Receptacle outlets are allowed to be installed in a face-up position at kitchen countertops and work surfaces. - <<>>>False
Section E3902.
How many 14 AWG sized conductors can be installed in a standard square metal box having a dimension of 4 inches X 1-½ inch? - <<>>>
Section E3905.12.1, E3905.12.1.1, Table E3905.12.
Boxes installed in openings of noncombustible surfaces with a flush-type cover or faceplate shall have no gap greater than ___ inch around the edge of the box. - <<>>>1/
Section E3906.
Non-current-carrying metal parts of fixed equipment supplied by or enclosing conductors likely to become energized must be connected to the equipment grounding conductor when located within ___ feet vertically or ___ horizontally of the earth and where subject to contact by persons. - <<>>>8, 5
Section E3908.2 #
True or False. Grounded Circuit conductors shall NOT be used for grounding noncurrent-carrying metal parts or equipment on the load side of the service disconnecting means. - <<>>>True
Machine screws used to attach receptacles to a box shall have ___ threads per inch. - <<>>>
Section E4002.
True or False. A receptacle is allowed to be installed directly over a bathtub or shower stall. - <<>>>False
Section E4002.11 - Shall Not
Recessed fluorescent luminaires installed in the wall or ceiling of a clothes closet shall be provided with a minimum clearance of ___ inches between the fixture and the nearest point of a storage space. - <<>>>
Section E4003.12 #
True or False. Track lighting shall NOT be installed in wet or damp locations. - <<>>>True
Section E4005.4 #
True or False. Ground-fault circuit-interrupter protection is NOT required for fixed outdoor electric deicing and snow- melting equipment. - <<>>>True
Section E4101.
A flexible cord for a cord-and-plug connected range hood must have a minimum cord length of ____ and maximum length of ____ inches. - <<>>>18, 36
Section E4101.3, Table E4101.
The International Residential Code (IRC) does NOT cover electrical service installations over ____ amperes. - <<>>>
Section E3401.3 #
A permit shall become invalid if work is not commenced within ____ days after it is issued. - <<>>>
Section R105.
