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.
A nonmotor operated water heater rated 5.4 kW at 240-volt is connected with a piece of No. 6 copper THHN conductor. The appliance is not marked with a maximum OC device size. What is the maximum size of the overcurrent device permitted for this water heater?
Two small appliance circuits are connected as follows to a three-wire circuit. Line one to neutral has a 900 watt load connected to it. Line two to neutral has a 1300 watt load connected to it. With both loads turned on what is the wattage in the neutral?
The copper grounding electrode conductor required for a 1600-ampere service consisting of four sets of 750 kcmil THHN compact aluminum conductors in parallel is:
(C) 250 kcmil
(D) 400 kcmil
What is the maximum size dual element fuse permitted to protect a 60 hp. 3-phase, 480-volt squirrel-cage motor that is connected with a piece of No. 3 copper THHN conductor?
A No. 14 THHN copper conductor is used within a motor starter as a control circuit conductor. What is maximum size circuit breaker permitted for the motor short-circuit, ground-fault protection that will protect this conductor?
What is the computed lighting load in amperes for a 208Y/120 feeder to supply an office area that is 125 x 157 and which has an unknown receptacle load?
A mobile home park has 35 mobile home lots connected to one service. Each mobile home has a calculated demand of 21,400 vA. What is the minimum size of the service conductors in amperes to service this park?
The minimum headroom of the working space in front of a 200-amp. panelboard in which the top "Main" circuit breaker is mounted 6ft 5 in. to the center of the breaker and the top of the panelboard is installed at a height of 611" in a new dwelling unit is _______ .
(A) No minimum
(B) 6ft. 5 in.
(C) 6 ft. 6 in.
(D) 6 ft. 11. in.
Which of the following is required for a receptacle installed under the eaves of a two-story dwelling to be used for fixed outdoor deicing and snow-melting equipment?
(A) Ground-fault circuit-interrupter protection for personnel must be provided.
(B) Ground-fault protection of equipment must be provided
(C) A dedicated 20-ampere circuit must be provided
(D) A dedicated 15-ampere circuit must be provided.
Branch-circuit conductors within 3 in. of a ballast within the ballast compartment shall have an insulation temperature rating not lower than _____ oC.
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