1.     For the shown circuit

        a) Calculate the current through the 3S resistance
        b) Find the power dissipated in this resistance

2.     What size box is needed when there are 3 #8 AWG, 4 #10 AWG, 4 #12 AWG and three ground wires?

3.     A. When making an installation with EMT (metallic) pipe, it is necessary to run a groundwire
        a) True b) False

        B. When using a 4/0 copper wire in the service entrance, the grounding electrode conductor shall be _________.
        C. It is necessary to install a GFCI receptacle in the garage for the garage opener device.
        a) True b) False

        D. A ½ inch EMT pipe shall be supported every _______ ft.

4.     A 3000 sq. ft house has installed the following equipment:
        Equipment                Range
        Range                         8 kW
        Garbage disposal        1.2 kW
        Dryer                         4.5 kW
        Water heater              4.5 kW
        AC unit                      12 kW

        They will also install one refrigerator, one washer machine and the two small appliance circuits for the kitchen

        Calculate:

        a) Service entrance wires
        b) Service entrance grounding conductor
        c) Service entrance rigid metallic pipe size
        d) Wire number for feeding the range

5.     Complete the connections for the diagram. The two three-way switches control the lamp.