PRACTICE EXAM QUESTIONS WITH
VERIFIED SOLUTIONS
All methods that join Aluminum and copper wires together require
___ and ___ ___ ___ --CORRECT ANSWER--maintenance and
create copper pig tails
Every Kitchen counter at least 12 inches wide should have a ___ ___ -
-CORRECT ANSWER--grounding receptacle
If a GFCI is attached to an ungrounded outlet it --CORRECT
ANSWER--will not function
minimum conductor size for a ___amp service is 4-awg copper or
2awg aluminum --CORRECT ANSWER--100 amp
Most modern 200 amp electrical meters are marked --CORRECT
ANSWER--200cl
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,an underground service entrance is called a --CORRECT ANSWER--
service lateral
The method for installing a UF cable is --CORRECT ANSWER--
direct burial
every 5-6 feet the rigid service masts should be secured to --
CORRECT ANSWER--the structure points
A service drop should be at least __-__ feet away from any nearby
trees --CORRECT ANSWER--5-6 feet
Evaluating a water heater should report on the type of --CORRECT
ANSWER-- Fuel
inspector should determine weather the main supply is _____ or
______--CORRECT ANSWER-- public or private
Gas vent pipes terminating above the roof pitch up to __:__ need to be
___ft high --CORRECT ANSWER--6:12 1 foot
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,sum pumps are to be ____ --CORRECT ANSWER--inspected
Masonry chimneys shall be corbelled no more then ___ the chimneys
wall thickness --CORRECT ANSWER--1/2
A grounding bus should be found in all ____ --CORRECT
ANSWER--Sub panels
Existing Knob-tube wiring should be replaced if ___ and if ____
______ --CORRECT ANSWER--damaged, ground circuit is required
Aluminum lower branch wiring can be made __ ___ ___ --
CORRECT ANSWER--Safe in the home
Metal sheathed cable is technically known as __or __ --CORRECT
ANSWER--BX or AC
service drops should never pass closer than __feet above the ridge of
a conventional pitched roof. --CORRECT ANSWER--3 feet
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, What ensures that two fuses or circuit breakers are disconnected at the
same time --CORRECT ANSWER--Linking
A 240 volt circuit needs a __ ___ , ___ ___ and two adjacent open
holes in the service panel --CORRECT ANSWER--Breaker coupler,
two pole breaker
The copalum connecter system attaches a copper wire to an aluminum
wire using --CORRECT ANSWER--high compression
`Neutral and ground must be separated, must be bonded and must be
isolated --CORRECT ANSWER--Sub panel requirements
most areas require two means of ___ grounding --CORRECT
ANSWER--separate
All panel enclosures need to be --CORRECT ANSWER--bonded to
ground
The minimum size for a copper grounding electrode rod is --
CORRECT ANSWER--5/8th diameter and 8feet in the ground
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