March 2007

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 2002 Code Book.
Code quiz by Robert Keis

Question #1:
A commercial garage where compressed natural gas vehicles are repaired or stored has a classified area classed as Class I, Div.II  within 18 inches of the ____________?

(A) Floors   
(B) Ceiling   
(C) Walls
(D) Basement


Question #2:
With _________ air changes per hour at the floor of a pit in a commercial garage, the pit can be classified Class I, Division 2.

(A) 2
(B) 4
(C) 6

Question #3:
The storage, handling, or dispensing into motor vehicles of alcohol-based windshield washer fluid in areas used for the service and repair operations of vehicles shall cause the area to be classified as ______________. 

(A) Class I, Div 1   
(B) Class I, Div 2
(C) Class II, Div 2
(D) Non classified


Question #4:
Electric vehicle charging equipment where the cord is suspended from overhead with a plug connection to the vehicle shall be arranged so that the lowest point of sag is at least _____________ above the floor.

0 inches    
(B) 6 inches       
(C) 12 inches
(D) 18 inches

Question #5:
Parking garages used only for parking or storage where no repair work is done are classified ___________ .

(A) Class I, Div 1   
(B) Class I, Div 2 
(C) Class II, Div 2
(D) Non classified

Question #6:
Wiring within the area where fuel-dispensing units are located within buildings shall comply with Article __________.

(A) 511      
(B) 513
(C) 514
(D) 515

Question #7:
Flexible cord used for pendants shall be suitable for the use and listed for _____________ shall be used.

oil resistant   
(B) hard usage
(C) extra hard usage
(D) hat hard usage

Question #8:
All 125-volt 15- and 20-ampere single-phase receptacles in commercial garages shall have GFCI protection.

(A) True
(B) False

Question #9:
Which of the following wiring methods in not permitted above the classified area of a commercial garage?

(A) MC Cable
(B) AC Cable
(C) Liquid tight flexible nonmetallic conduit
(D) Electrical nonmetallic tubing.


Question #10:

Lamps and Lampholders of fixed lighting that is over lanes through which vehicles are commonly driven shall be a minimum of ________ unless of the totally enclosed type or constructed to prevent escape of sparks or hot metal particles.

(A) 8 feet   
(B) 10 feet
(C) 12 feet   
(D) 14 feet

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

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

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