February 2000

Test your knowledge of the code, by taking E.T.E.'s code quiz.
There are 10 questions, which are multiple choice.
Based on the 1999 Code Book.
Quiz by Robert Keis


Question #1:
Lighting systems operating at 30 volts or less shall be supplied from a maximum _______ ampere branch circuit.
(A) 15
(B) 20
(C) 25
(D) 30

Question #2:
The floor of a transformer vault constructed over a vacant space shall have a minimum fire resistance of ______ hours.
(A) 1.5
(C) 3
(D) 4

Question #3:
A " x 4" aluminum bar installed in an auxiliary gutter has a continuous ampacity of _______.
(A) 700 amperes       
(B) 750 amperes
(C)  800 amperes
(D) 1,000 amperes

Question #4:
Single conductor cables used at carnivals shall be no smaller than _______.
(A) #4
(B) #2
(C) #1/0
(D) #2/0

Question #5:
No. 12 copper motor control conductors which extend beyond the motor control enclosure shall be permitted to be protected by an overcurrent device not exceeding __________ amperes.
(A) 15
(B) 45
(C) 60
(D) 90

Question #6:
Each switch controlling receptacles adjacent to the mirror(s) and above the dressing table counter(s) in a theater dressing room shall have which of the following?
(A) a switch in the hallway
(B)  a switch and pilot light in the room.
(C)  a switch in the room and a pilot light outside the room adjacent to the door
(D) a switch and pilot light outside the room adjacent to the door

Question #7:
Open spraying is done on a table so the top of the object being painted is 3 feet above the floor. The Class 1, Division 2 area for Code purposes extends _______ above the floor.
(A) 10 feet
(B) 13 feet
(C) 15 feet
(D) 20 feet

Question #8:
Lighting accessories for wired office partitions shall be provided with cord that shall not exceed ____ feet in length.
(A) 4
(B) 6

(C) 9
(D) 12

Question #9:
The bending radius for nonshielded cables operating at 4,160 volts shall not be less than _____ times the diameter of the cable.
(A) 12
(B) 10
(C) 8
(D) 6

Question #10:
A piece of No. 8 copper nonmetallic-sheathed cable is used for the branch-circuit supplying a single water-heater rated 5.2 kW at 240-volt. What is the maximum overcurrent device permitted for this circuit?
(A) 30
(B) 35
(C) 40
(D) 45

Thanks for taking E.T.E.'s Code quiz!

If you find any discrepancies please feel free to email E.T.E. at http://www.elec-toolbox.com/email.htm.

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