ELE-175 Chapter 5 Review

Most commonly used wiring devices have ____.

screw terminals

Most metal boxes have a No. ____ tapped hole for securing a green hexagon-shaped equipment grounding screw.

10-32

An ungrounded conductor must have an outer finish that is green, white, gray, or three continuous white stripes. (TRUE OR FALSE)

False

Four-way switches are used where switch control is needed from four locations. (TRUE OR FALSE)

False

Timers are unique in that they provide semiautomatic control of electrical loads, and they are also referred to as buzzers. (TRUE OR FALSE)

False

Generally, the NEC prohibits a conductor with ____ insulation to be used as an ungrounded "hot" conductor.

Green, gray, and green with yellow stripes

To minimize voltage drop, sometimes 12 AWG conductors are used for long "____" (50 ft or longer) even though the branch-circuit overcurrent device is rated 15 amperes.

Home runs

General-use snap switches rated in ____ are suitable for controlling motor loads within their rating at the voltage applied.

Horsepower

A very common Code violation is using short 14 AWG pigtails to connect receptacles to 20-ampere small-appliance branch-circuit conductors in a kitchen or dining room. (TRUE OR FALSE)

True

Screwless push-in terminals on receptacles are designed by manufacturers for use only with solid 14 AWG copper conductors. (TRUE OR FALSE)

True