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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