IEC Electrical Apprenticeship Year 1, Quiz 1, Semester 2, Chapter 119

A. 14.9 B. 1.788 C. 18.378 D. 1.531 E. 17.9

A 120 V circuit is supplying power to three 120-V loads. Load #1 is drawing 3.3 amps. Load #2 pulls 6.5 amps. Load #3 is drawing 5.1 amps. The total load on the circuit is _____ kW

A. 2 B. 3 1/2 C. 2 3/4 D. 2 1/2 E. 2 1/4

A 3-gang Switch box is to be constructed using metal device (switch) boxes. The box assembly will contain 2 three-ways and one dimmer switch. External connectors will be used on the MC cables entering the box. Remember: MC contains a ground. Three 12-3 cables plus one 12-2 enter the box assembly. The shallowest boxes you can use are _____ inches deep.

A. 3 B. 4 C. 2 D. none are required

A total of at least _____ receptacle(s) are required to be installed along wall spaces 7, 8, 9, and 10. Refer to figure 119.103 for the plan view of a bedroom in a new house.

A. I only B. II only C. either I or II D. neither I or II

Each 10' section of lighting track is rated for 15 amps at 125 volts. The circuit supplying this track can be connected to a ____-amp, single-pole breaker in a 120/240-volt, 1O, 3-wire panel. I. 15 . II. 20

A. parallel B. series

If two identical 24-volt loads are to be operated from a single 24-V battery, the loads would be connected in _____ to receive the correct voltage from the battery.

A. 1 foot (300 mm) B. 2 feet (600 mm) C. 3 feet (900 mm)

In a house, when laying out the wall receptacle locations in a bedroom, make sure that a receptacle is installed in any wall space _____ wide or greater.

A. 2 B. 6 C. 8 D. 4 E. 3

Lighting tracks that are ______ feet or less in length must be fastened at a minimum of two places.

A. 10 . B. 20 . C. 15 . D. none of these .

The maximum current carrying capacity of a 1,500 W, 120 V dimmer is ____ amps.

A. 1,000 B. 1,500 C. 2,000 D. 600 E. none of these

You will have to install a dimmer with a rating of at least _____ watts when 150 watt lamps are installed in each of the luminaires shown in Figure 119.101.