September 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:
A No. 12 copper conductor is installed to supply a sump pump
receptacle. The circuit is protected with a 15 ampere circuit breaker. The rating of the
receptacle outlet shall not exceed _______ amperes.
(A) 30
(B) 20
(C) 15
(D) 15 or 20
Question #2:
Fixed lighting in commercial garages that is installed over
work benches shall be mounted a minimum of _______ feet above the floor unless of the
totally enclosed type.
(A) 4
(B) 8
(C) 12
(D) No minimum
Question #3:
1 ¼ inch Rigid nonmetallic conduit must be supported at
intervals not exceeding ________ feet.
(A) 3
(B) 4
(C) 5
(D) 8
Question #4:
When internal combustion engines are used as the prime mover
for emergency generator sets, the onsite fuel supply shall be sufficient for not less than
______ hours at full-demand.
(A) 1 hr.
(B) 1 1/2 hr.
(C) 2 hrs.
(D) 24 hrs.
Question #5:
In an aircraft hanger, the area above the engine enclosure is
classified as Class 1, Division 2 for a distance of ________ feet.
(A) 3
(B) 5
(C) 8
(D) 10
Question #6:A
double insulated swimming pool pump that is permitted to be cord-and plug connected is
required to have which of the following?
(A) A two
prong polarized cord-cap
(B) A two prong non-polarized
cord-cap.
(C) A three prong grounding
cord-cap
(D) A three prong twist-lock
cord-cap.
Question #7:A
bare No. 2 stranded conductor has an overall diameter of __________ .
(A) 0.097
(B) 0.292
(C) 0.067
(D) 0.194
Question #8:A 60 amp. feeder to an electric heater installed in PVC conduit
requires a No. ______ copper equipment ground wire.
(A) 12
(B) 10
(C) 8
(D) 6
Question #9:A
remote-control circuit for safety-control equipment shall be classified as Class _____ if
the failure of the equipment to operate introduces a direct fire or lift hazard.
(A) 1
(B) 2
(C) 3
(D) remote-control
Question #10:What
is maximum length of flexible metal conduit that may be used as an equipment grounding
conductor if the circuit is protected at 30 amps.
(A) 0 feet
(B) 2 feet
(C) 3 feet
(D) 6 feet
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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