2020 E2 Commercial Electrical Inspector Exam Quiz

For ranges of 8-3/4 kW or more rating, the minimum branch-circuit rating shall be __________ amperes.

General lighting in dwelling units is required to have a unit load of at least __________VA

When calculating a general load, it must be at least __________ percent of the first 10 kVA, added to __________ percent of the remaining loads.

What is the maximum distance between secure fastenings for electrical nonmetallic tubing (ENT)?

The length of cord for electrically operated kitchen waste disposers shall not be less than __________ inches and not over __________ inches.

For wet-niche underwater pool luminaires, which of the following listed conduits are allowed to enclose the conductors?

The connection point between the premises wiring and the serving utility facilities is called the __________ .

What is the maximum rating allowed of any one cord-and-plug-connected appliance not fastened in place connected to a 20-ampere branch circuit?

What are the maximum number of switch(es) or set(s) of circuit breakers allowed for service disconnecting means for each residential service?

Conductors of size 1/0 AWG and larger, made of aluminum, copper, or copper-clad aluminum, comprising each phase, polarity, neutral, or grounded circuit conductor, are allowed to be connected in __________ . NOTE: (electrically joined at both ends. | Code Exceptions ignored.)

As a method to __________ for thermal expansion and contraction, raceways must have expansion fittings where necessary.

The tightest bend allowed by the NEC for Type NM cable is a radius of how many times the diameter of the cable?

What is the current flow of a 3kW heat strip connected to 120 volts ac power supply?

If a dwelling has a 2000 sq. ft. floor area, not counting an unfinished attic, unfinished cellar not adaptable for future use, and open porches, a 12-kW range, a 5-kW clothes dryer, a 4.5-kW water heater, a 2-1/2 ton (24-A) heat pump with 15 kW of backup heat, and a 1.2-kW dishwasher, what are the VA units for the total heating and cooling load?

Service equipment for floating structures and submersible electrical equipment that is located on land must be at least how far horizontally from the shoreline?

What is the minimum rating allowed for 120/240 volt, single-phase service equipment for a mobile home?

What is the full-load running current rating of a 30 hp, 480-volt, 3-phase wound-rotor, ac motor?

A household-type appliance with surface heating elements shall have its power supply subdivided into two (2) or more circuits if the maximum demand is over __________ .

Type MC cables containing four or fewer conductors, sized no larger than 10 AWG, shall be secured within __________ inches of every box, cabinet, fitting, or other cable termination.

For a 50-ampere branch circuit with conductors installed in PVC conduit, what is the minimum size copper equipment grounding conductor?