Electrical Practice Exam WITH 100% CORRECT ANSWERS
Terms in this set (92)
Flexible metal conduit is sometimes Greenfield
referred to as?
What do you look for to determine if a CO/ALR
switch or receptacle is acceptable for
copper and aluminum wiring?
What type of receptacle should not be CU/AL
used with aluminum branch circuits wiring
any longer?
What type of wire nut is not appropriate for Conventional
aluminum wire?
What is another name for a grounding rod? Electrode
What is the purpose of a circuit breaker? Interruption of electrical flow
What are two examples of automatic circuit Fuses and Breakers
breakers?
What is another term for NM sheathed Romex
cable?
Minimum distance of a GFCI from a bathtub 0 by the code (36 by the brown book, but on exam it should be 0)
or shower:
Maximum distance of an outlet from a 3'
lavatory/basin:
Which is deficient? Unused opening that has been taped
A device designed to open and close a Circuit Breaker
circuit by non-automatic means and
applied within its rating to open the circuit
automatically when predetermined over-
current is called?
Type NM wiring shall be supported a 4.5 feet
maximum of ___ on center.
1/5
, 10/5/24, 12:06 PM
At a kitchen counter, countertop 24 inches
receptacle outlets shall be installed within
a maximum horizontal distance of _______
from any point along the wall to an outlet.
Which of the following is a good Copper,Aluminum & Silver (All of the above)
conductor?
Is the service drop overhead or Overhead
underground?
Are service laterals overhead or Underground
underground?
The drip loop is typically part of the service False (It is part of the service entrance)
drop.
Which of the following is a reliable way to The service entry conductor size
identify the service size?
Which of the following is a safety issue? The main fuses have a higher rating than the service entrance wire.
How should the feeder wires to a sub- Fuses should be provided at the main panel
panel from the main panel ideally be
protected?
Which of the following wires are stranded? #8, #6 (Both C and D)
Bonding the gas piping to the supply Any stray electrical current will not cause arcing, which otherwise could ignite the
plumbing system mean that: gas
Polarity occurs when? Electrical receptacle is connected (properly)
What is required to be installed in GFCI
unfinished basements or exterior walls?
Report as deficient breaker boxes that are? Installed in hazardous location/safety issue
Antioxidants do what? Prevent oxidation
Nicked wire causes what to happen? ARC's
Can BX cable be used at receptacle Yes, metal only. BX and Greenfiled are interchangeable
outlets?
18 gauge lamp cord where is it commonly Entry/Breakfast table area/ dining room
used/installed?
15 AMP circuits are used where? Branch circuit wiring
What is required for electrical receptacles Twist Lock and GFCI
for a swimming pool motor?
How should 18 gauge speaker wire be Mounting Bracket
installed in a ceiling?
What is meant by open splice? A connection not made inside a junction box
Where is the antioxidant grease typically On stranded aluminum wiring
used?
The most common wire size for branch 14 gauge
household circuits is _ gauge.
Wire should not be run on wall surfaces Mechanical protection
without
2/5
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