Electrical Wiring and Lighting Quiz

Front

What is the minimum size of conductors to be used for wiring luminaries?

Back

No. 18 AWG

Front

_________ switches are used to control a light from two locations.

Back

Three-way

Front

What is the maximum voltage to ground to branch circuits supplying lighting equipment in dwelling units?

Back

150 volts

Front

What is the maximum rating of overcurrent devices used to protect incandescent mogul base lamp holders?

Back

40 amps

Front

What would be used in situations where a large bank of lights is required to come on the same time?

Back

Lighting contactor

Front

The ______ acts as a diaphragm to expand and contract the pupil.

Back

iris

Front

The four fundamental factors governing the visibility of a task are?

Back

Size, light, color, brightness

Front

A warm color (reddish/yellowish) would have a color temperature _______°K

Back

Below 3000

Front

What light source has the lowest efficacy?

Back

Incandescent

Front

A _______ is a complete lighting unit

Back

luminaire