December 1999

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.


Question #1:
A commercial kitchen has the following electrical equipment. One booster heater for the dishwasher, one hot water heater, two grills, one thermostatically controlled food warmer, two roof mounted hp. exhaust fans. What is the permitted kitchen equipment demand factor for load calculation purposes?
(A) 90%
(B) 80%
(C) 70%
(D) 65%

Question #2:
The minimum height of the entrance way (access way) to a panelboard rated at 120/208 volts, 200 amperes is _______.
(A) No minimum
(B) 6ft 0 in.
(C)  6ft 6 in
(D)  6ft 7 in

Question #3:
Which of the following applies to the required markings on "Power-Limited Fire Alarm (PLFA) Circuits" cables?
(A) The cable shall have a voltage rating of not less than 300 volts.  
(B) The cable shall have a voltage rating of not less than 150 volts.
(C) The cable shall be marked with the voltage rating.
(D) The cable shall not be marked with the voltage rating.

Question #4:
A 2-gang metal box with Romex cable clamps contains the following: Two pieces of 14/2 w/g Romex, one piece of 12/2 w/g Romex and one receptacle connected to the No. 12 and one switch connected to the No. 14. What is the minimum cubic inch capacity required for this box?
(A) 25.0   
(B) 25.5
(C) 26.0
(D) 26.5

Question #5:
The outdoor area underground within 20 ft. of a gasoline dispenser is classified as _________.
(A) Class I, Div. 1
Class I, Div. 2
Class II, Div. 1
Class II, Div. 2

Question #6:
One and one-half inch (1") rigid metal conduit made up with threaded couplings and installed in a straight run is permitted to be supported every _______ feet.
(A) 10
(B) 14   
(C) 16
(D) 20

Question #7:
The maximum number of No. 6 Compact Aluminum THHN conductors permitted in 1 1/2 inch Rigid PVC, Schedule 80 conduit is _____.
(A) 15
(B) 10
(C) 13
(D) 17

Question #8:
Lighting equipment when cord- and plug-connected and used with wired office partitions shall have a cord not exceeding ________ feet in length.
(A) 4
(B) 6
(C) 9
(D) 12

Question #9:
Raceways containing intrinsically safe circuits shall be identified by labels affixed at intervals of not more than ________ .
(A) 10
(B) 15
(C) 20
(D) 25

Question #10:
Which of the following locations is not approved for the location of a manual switch controlling emergency lighting in a theater?
(A) in the projection room
the office off the lobby
in the lobby 
none of the above

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

This month Code quiz was brought to you by Robert Keis.

If you find any discrepancies please feel free to email E.T.E. at

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