QUESTIONS WITH CORRECT DETAILED
ANSWERS || GUARANTEED PASS
Conductance - ANSWER ✅ The reciprocal of resistance
Energy - ANSWER ✅ A watt-hour meter is used to measure
0.622" - ANSWER ✅ The internal diameter of 1/2"EMT is:
116 Conductors - ANSWER ✅ What is the Max number of #6 THHN
current carrying conductors in 4" EMT for general use is
40% - ANSWER ✅ The total cross sectional area of conductors (not lead
covered) in a new conduit.with four wires shall not
exceed:
1.5" - ANSWER ✅ The outside diameter of a threaded rigid conduit is
measured to be about two Inches. The nominal trade size is:
6" - ANSWER ✅ A field bend of a one inch rigid conduit, for RH wire,
shall have a minimum radius of
Sizes are specified by Nominal inside Diameter - ANSWER ✅ Concerning
rigid conduit used for electrical work:
13 - ANSWER ✅ How many receptacle outlets are permitted .on a 20A.
120V ircuit in a commercial building?
200 VA - ANSWER ✅ For show-window lighting, a load of not less 660
Volt-amperes/linear meter or _____ volt amperes/linear foot shall be
included for show window measured horizontally along its base
, 10 feet above grade level - ANSWER ✅ Open conductors which are not
service entrance cables shall not be installed less than which of the following
Supported - ANSWER ✅ Open conductors shall be ______ on glass or
porcelain knobs, racks, brackets, or stain insulators
4" - ANSWER ✅ Open conductors installed outside shall be separated from
open conductors of other circuits or systems by not less than .
3' - ANSWER ✅ Service conductors installed as unjacketed multiconductor
cable shall have a minimum clearance of ______ from window s that are
designed to be opened, doors, porches, stairs, fire escapes, or similar
locations.
24" - ANSWER ✅ Where it is impracticable to locate the service head
above the point of attachment, the service head location shall be permitted
not farther than______from the point of attachment
power supply failure - ANSWER ✅ When the service disconnecting means
is a power-operated switch or circuit breaker, it shall be able to be opened by
hand in the event of a .
Can be connected to line side of
service disconnect. - ANSWER ✅ What is true about installation of a Type
1 TVSS
5000 VA - ANSWER ✅ Minimum VA for a Dryers
1000A - ANSWER ✅ Ground fault protection of equipment shall be
provided for solidly grounded wye electrical services of more than 150
volts-to-ground, but not exceeding 600V phase-to-phase for each service
disconnecting means rated __________
, #4 cooper & #2 Aluminum - ANSWER ✅ What is the minimum size
Service Conductor allowed for a dwelling unit
4% - ANSWER ✅ The maximum voltage drop from Service point to the
last overcurrent device in a dwelling unit?
for the practical safeguarding of persons and property - ANSWER ✅ The
NEC is ______
an electrical system essentially free from hazard - ANSWER ✅
Compliance with the provisions of the NEC will result in
a. efficient use ,convenience, good service or future expansion·of
electrical use - ANSWER ✅ The Code contains provisions considered
necessary for safety, which will not necessarily result in
overloading of wiring systems by methods or usage not in conformity with
the NEC, initial wiring not providing for increases in the use of electricity -
ANSWER ✅ Hazards often occur because of
True - ANSWER ✅ The Code isn't a design specification standard or
instruction manual for the untrained and unqualified
signaling, electrical conductors, equipment, and raceways, communications
- ANSWER ✅ The following systems shall be installed in accordance with
the NEC requirements:
electrical conductors and equipment, optical fiber cables
within or on public and private buildings, outside conductors and equipment
on the premises - ANSWER ✅ The NEC applies to the installation of
True - ANSWER ✅ The NEC does not cover electrical installations in
ships, watercraft, railway rolling stock, aircraft, or automotive vehicles.