In the computation of the size of building wire, the PEC requires that at least a certain percent increase must be added. What percent is this?

A device designed to open and close a circuit by nonautomatic means and to open the circuit

automatically on a predetermined overcurrent without damage to itself when properly applied

within its rating.

Installations under ground or in concrete slabs or masonry in direct contact with the earth; in

locations subject to saturation with water or other liquids, such as vehicle washing areas; and

in unprotected locations exposed to weather.

What shall be the minimum size of conductor for signage?

At least _____wall switch-controlled lighting outlet shall be installed in every habitable room

and bathroom.

Circuits used only for the operation of fire alarm, other protective signaling systems, or the

supply to fire pump equipment _________to be connected on the supply side of the service

overcurrent device where separately provided with overcurrent protection

The code ______the use of a raceway as a means of support for nonelectric equipment,

such as suspended ceilings, water pipes, nonelectric signs, and the like, which could cause a

mechanical failure of the raceway.

Determine the minimum-size service conductors to supply a 100 A lighting and appliance

load plus three squirrel-cage induction motors rated 460 volts, 3 phase, 40°C, full-voltage

starting one 100-hp rated at 124 A at full load and two 25-hp motors rated at 34 A at full load

on a 480-volt, 3-phase system.

If the service point is specified as “at the pole” by the utility, then the service-drop conductors

are considered

A switch or circuit breaker in a wet location or outside of a building shall be enclosed in a

________enclosure or cabinet. Switches shall not be installed within wet locations in tub or

shower spaces unless installed as part of a listed tub or shower assembly.

Items in the Code that identify actions that are specifically required or prohibited are considered which of the following:

Which of the following installations are covered by the Electrical Code:

Unless otherwise specified, live parts for electrical equipment operating at ____ volts or more shall be guarded.

Conductor sizes are listed in which of the following:

An insulated conductor assembly with fittings and conductor terminations that is completely enclosed in a ventilated protective metal housing is called which of the following:

For a 30 amp receptacle connected to a 30 amp branch circuit supplying two or more outlets, the total cord-and-plug load may not exceed which of the following sizes:

A 15 amp receptacle that is installed in a wet location must meet which of the following installation requirements:

A factor that would affect conductor ampacity is which of the following:

Which of the following has the highest electrical resistance: