January 2001
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.
Code quiz by Robert Keis
Question #1:
Dressing rooms in theaters shall have all lights and
receptacles adjacent to mirrors controlled by wall switches located ________ .
(A) outside
the dressing room door
(B) in the projection booth
(C) in the circuit breaker
panelboard
(D) in the dressing room
Question #2:
Six pieces of No. 12 THHN conductors are installed into one
raceway installed through a storeroom where the temperature of the room is 95O
F.. All conductors are considered to be current carrying. For derating purposes this
conductor has an allowable ampacity of __________ amperes.
(A) 22
(B) 23
(C) 24
(D) 25
Question #3:
Nine No. 12 conductors are installed in a raceway. There are
three 120/240-volt, multiwire circuits with a red, black and white for each circuit. How
many current carrying conductors are in this raceway for derating purposes?
(A) 9
(B) 8
(C) 7
(D) 6
Question #4:
A piece of rigid metal conduit is installed from a panelboard
within a combination commercial garage and service station to a light pole on the edge of
the parking lot. This circuit is installed underground and 16 feet from a gasoline
dispenser. How many sealoffs if any are required in this circuit?
(A) one
(B) two
(C) three
(D) none
Question #5:
The total square inch area of a 2" PVC Schedule 80
conduit is ________ .
(A) 1.913
(B) 2.874
(C) 3.647
(D) 4.119
Question #6:
Solid dielectric insulated conductors operated above 2000
volts in permanent installations shall have ozone-resistant insulation and shall be
_________.
(A) protected
(B) in conduit
(C) shielded
(D) covered
Question #7:
Direct current systems to be grounded and supplied from an
off-premises source shall have the grounding connection made _______ .
(A) at each
building or structure
(B) at any point on the premises
that is convenient
(C) at one or more supply
stations
(D) at each service
Question #8:
A concrete-encased electrode consisting of reinforcing bars
or rods shall be not less than _____ diameter.
(A) 3/8 inch
(B)
1/2 inch
(C) 5/8 inch
(D) 3/4 inch
Question #9:
Fire alarm circuits shall be identified at ____________
locations , in a manner that will prevent unintentional interference with the signaling
circuit during testing and servicing.
(A) the
panelboard where the circuit originates
(B) the office on the alarm
indicator board
(C) the fire department
(D) terminal and junction
Question #10:
Where fluorescent fixtures are installed indoors, the
ballasts shall have ___________.
(A) thermal
protection
(B) internal fuse protection
(C) short-circuit protection
(D) ground-fault protection
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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