TREC Home Inspector National Exam - Electrical Questions With Correct Answers
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Course
TREC
Institution
TREC
TREC Home Inspector National Exam - Electrical Questions With Correct Answers
Electrical services within the scope of the IRC are limited to _____________________-volt, 0- to _____________________-ampere, single-phase systems
120/240v; 400amp
The markings for identification of disconnecting me...
TREC Home Inspector National Exam - Electrical
Questions With Correct Answers
Electrical services within the scope of the IRC are limited to
_____________________-volt, 0- to _____________________-ampere, single-phase
systems
120/240v; 400amp
The markings for identification of disconnecting means shall have the durability
to withstand the _____________________ involved.
environment
Electrical panel boards and overcurrent protection devices shall not be located in
_____________________.
clothes closets, bathrooms, or over the steps of a stairway
Connected to establish electrical continuity and conductivity.
bonded (bonding)
Overhead service-drop conductors shall have a vertical clearance of not less than
_____________________ feet above the roof surface.
8'
Over residential property and driveways, service-drop conductors shall have
_____________________ feet minimum clearance above final grade.
12'
In no case shall the point of attachment for service drop conductors be less than
_____________________ feet above finished grade.
, 10'
Above-ground service cables subject to physical damage shall be protected by
Schedule _____________________ PVC conduit.
Schedule 80 PVC
Interior metal water piping located more than _____________________ feet from
the point of entrance to the building shall not be used as part of the grounding
electrode system.
5'
Rob and pipe electrodes shall be not less than _____________________ feet in
length.
8
Bonding shall be provided where necessary to ensure electrical
_____________________.
continuity
All mechanical elements used to terminate a grounding electrode conductor or
bonding jumper to the ground electrodes shall be _____________________.
accessible
Where a branch circuit or a feeder supplies a continuous load, it shall have an
ampacity of _____________________ percent of the continuous load.
125%
The rating of any one cord- and plug-connected utilization equipment shall not
exceed _____________________ percent of the branch-circuit ampere rating.
80%
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