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Final Exam For Electrical Wiring Questions With Correct Detailed.
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Final Exam For Electrical Wiring Questions With Correct Detailed.
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Final Exam For Electrical WiringQuestions With Correct Detailed.
Which of the following color wires are connected to a 3-way switch? Which color the
neutral wire?
a. Red
b. Black
c. Whited.
d. None of the above - ANSWER- d. None of the above
What gauge wire should be used to connect outlets in a 20-amp circuit if you were using
aluminum as your conductor?
a. 10
b. 12
c. 14
d. 16 - ANSWER- a. 10
When wiring a duplex receptacle where might you find the strip gauge?
a. The wire striper / crimper
b. Printed on the Romex
c. The electrical box that the outlet was sold
d. The back of most electrical outlets - ANSWER- c. The electrical box that the outlet
was sold
d. The back of most electrical outlets
How many transformers are required for three phase open delta?
a. One
b. Two
c. Three - ANSWER- b. Two
Where should GFCI be located at?
a. Near sinks
b. Attic of your home
c. Barns
d. Six feet above the ground or deck flooring outside - ANSWER- a. Near sinks
c. Barns
The water pressure in a water circuit is compared to this in an electrical circuit:
a. Volts
b. Amp
c. Watt
d. None of the above - ANSWER- a. Volts
, How many pairs of poles does a motor have if it can only turn 1150 rpm?
a. one pair
b. two pair
c. three pair
d. four pair - ANSWER- c. three pair
What type of conduit should be used in livestock facilities?
a. Stainless Steel
b. Black Pipe
c. Plastic schedule 40
d. Plastic schedule 80 - ANSWER- d. Plastic schedule 80
The minimum length and diameter of the rod needed for grounding at the main service
entrance:
a. 4 ft * ½" copper
b. 6 ft * ¾" copper
c. 8 ft * ½" copper
d. 8.5 ft * ½" copper - ANSWER- d. 8.5 ft * ½" copper
I noted two transformed on the power poles leading into your farm. This means you
must have:
a. Single Phase power only
b. Three phase power Delta
c. Three phase power Wye
d. Three phase power Open Delta - ANSWER- d. Three phase power Open Delta
An additional wire is NOT needed to provide a grounded conductor when using ______
in your farm shop:
a. PVC tubing
b. EMT tubing
c. Black pipe
d. Other (write in): ___________________ - ANSWER- b. EMT tubing
When wiring in a livestock facility, UF cable should be secured horizontally by what
distance interval?
a. 5 ft
b. 2 ft
c. 3 ft
d. 6 ft - ANSWER- b. 2 ft
If you are attaching cable to the face of a joist (on a ceiling) what number UF cable
should be used?
a. #14
b. #12
c. #10
d. #8
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