ELC Test 12 & 15

Appliances and water heaters are noncontinuous loads, which require a load calculation ____ the equipment requirement.

• at 200% of

• at 125% of

• at 175% of

• identical to

Branch circuits are usually ____ amps or less.

• 30

• 60

• 90

• 120

If there are three or more pieces of cooking equipment on a feeder circuit, the load can be ____.

• found in the NEC

• the total of all nameplate ratings

• derated

• uprated

In a commercial installation, the heating load is always ____.

• 100% of the nameplate rating

• 125% of the nameplate rating

• found in the NEC

• twice the cooling load

In hotel rooms, circuits supplying small receptacle loads cannot exceed ____ amps.

• 15

• 120

Mercury-vapor lighting installed 25′ high in a warehouse can be supplied by ____ volts.

• 240

• 480

• 600

• All of the above.

Multioutlet assemblies require 180 volt-amps for every ____.

• 5′ of length

• 10′ of length

• 3 receptacles

• assemblys

Sign lighting is considered to be a ____ load.

• 50%

• temporary

• continuous

• 1000 volt-amp

Single, duplex, and triplex receptacles are assigned a load of ____.

• 15 amps

• 20 amps

• 180 volt-amps

• 120 volt-amps

Subfeeders originate power distribution centers and provide power to ____.

• fixtures

• branch-circuit panels

• heating units

• feeders