Commercial Review #3

A continuous load is one that is expected to operate ________.

• for 3 hours or more

• daily

• at peak connected load

• none of these

Illumination shall be provided for all working spaces about service equipment, switchboards, panel-boards, and motor control center.

• over 600V

• using automatic means of control

• rated 1200A or more

• located indoors

The NEC divides hazardous locations into how many parts?

• 1

• 2

• 3

• 4

Where shore power is supplied to a boat longer than 20 ft. what amperage circuit is required?

• 30A

• 40A

• 60A

• 70A

A dual element fuse has two fusible elements connected internally, how are they connected?

• paarallel

• series

• series/parallel

• parallel/series

A plug and receptacle may serve as a controller for portable motors of up to ______?

• 1/4 HP

• 1/3 HP

• 1/2 HP

• 1 HP

Sending a signal to a PLC is referred to as a/an ______.

• command

• function

• input

• response

A Hermetic motor is used for _________.

• fans & pumps

• power tools only

• washing machines & dryers

• refrigeration & air conditioners

AC cable may be installed in an area exposed to __________.

• corrosive conditions

• concealed work

• wet locations

• physical damage

When a grounding electrode conductor is installed inside a ferrous metallic raceway for physical protection, Section 250.64 (E) _________that the conductor be bonded to the raceway.

• requires

• does not require

• demands

• allows