2021 ICC E1 Residential Electrical Inspector Exam Quiz

In a single enclosure or a group of separate enclosures, service disconnecting means must be no more than _______ switch(s).

The minimum vertical clearance for overhead service conductors supported on and cabled together with a grounded bare messenger wire, is __________ at the electric service entrance to buildings.

Service disconnects are required to be __________?

A driven electrode used to ground the service shall be permitted to be a ___________ diameter stainless steel, or copper or zinc coated steel rod.

At least one receptacle outlet shall be installed in bathrooms within __________ of the outside edge of each basin in a dwelling unit.

The characteristics of a circuit to be protected, including equipment short-circuit current ratings, overcurrent protective devices, and total impedance, must be coordinated and chosen so that the circuit protective devices can __________ without broad damage to the circuit’s electrical components.

Dimmer switches are permitted to control all of the following equipment or devices except __________.

A branch circuit with a rating of at least __________ is required for ranges with a rating of 8.75 kVA or more.

The air-conditioning load shall be calculated at __________ percent of the nameplate rating, regardless of the number present when using the optional calculation method.

In damp or wet locations, metal cabinets and cutout boxes of the surface type shall be mounted so there is a minimum air space between the enclosure and wall or other supporting surface of how many inches?

Receptacle outlets on wall countertop space must be installed so that no point along the wall line is more than __________, measured horizontally from a receptacle outlet in that space.

Kitchen countertop receptacles must be served by at least two 20-ampere-rated branch circuits. Both or either is also permitted to supply other receptacle outlets in what areas? (Exceptions ignored.)

Which one of the following is permitted in the equipment space directly above or below a service panelboard mounted on a basement wall?

Which of the following markings is Type NM cable not required to have?

What is the minimum service load, per square foot of floor area, that must be provided for convenience receptacle outlets and general lighting?

Equipment grounding conductor __________ AWG and smaller shall have their insulation for their entire length colored green or green with one or more yellow stripes.

A new 3-wire 400-amp service for a large custom single-family dwelling is installed with two parallel sets of 250-kcmil copper conductors in two separate metallic raceways (one set in each raceway) into the enclosure for the service-disconnect circuit breaker. Where individual supply-side bonding jumpers are installed for each raceway, the minimum size supply-side bonding jumper to the bonding bushing installed on each raceway is:

What is the maximum allowable on center support spacing for Type AC wiring method in an above-ground installation?

A recessed luminaire not identified for contact with insulation shall have a clearance of at least __________ from combustible materials.

A disconnecting means is required for all heating units where supplementary protection of heating elements is fuses and blower motor is over __________ horsepower.