Electrical#2

The conductors that pass over slope roof and slope is 6 to 12 must have clearance from the highest point at least ___ft

• 3 ft

• 15 ft

• 10 ft

• 8 ft

What is the wattage of a 1.5 kw-rated microwave?

• 1.5

• 150

• 3000

• 1500

If input of a load is 2.5 kW and the load is 80% efficient, what is the output in W?

• 2.00

• 2500

• 2000

• 1250

The maximum load on an over current protection device is limited to 80% of device rating. If the device rated 30 A, what is the maximum continuous load in A?

• 25

• 24

• 30

• 15

The service drop conductors that pass over roadway must have clearance above ground at least ___ .

• 18 ft

• 12 ft

• 10 ft

• 22 ft

The circuit resistant of a 600W coffee machine and 1,500W microwave is _______ ohm when connected to 120 V

• 24

• 12

• 9.6

• 6.8

Ambient temperature means the:

• Temperature of wire

• Different temperatures

• Melting temperature of the insulation

• Temperature of the area surrounding the wire

What is the minimum size of equipment grounding conductor(CU) for 20Amp. electrical circuit?

• #12 AWG

• #10 AWG

• #8 AWG

• #6 AWG

Insulated equipment grounding conductor for multi-wire branch circuit shall be ______color

• Black

• White

• Green

• Blue

What is the min. heights of working space for electrical panel for residential installation?

• 6.5 ft

• 6 ft

• 5.5 ft

• 5 ft