Master Electrician Test Money Maker packet Preparation
Newest 2025/2026 Complete Questions And Correct Detailed
Answers (Verified Answers) |Brand New Version!!
For ungrounded surge arresters, the max operating voltage shall
be __ of
the system - ANSWER-Phase to phase
A grounding electrode conductor may be splice together by -
ANSWER-
exothermic welding
What is the smallest size grounded conductor you can run in
parallel? -
ANSWER-1/0
The green screw in a main panel enclosure serves as what? -
ANSWER-
Main bonding jumper
High impedance ground systems operate a ta a maximum of
what
,2|Page
voltage? - ANSWER-1000 volts
A concrete encased electrode with electrically conductive coated
steel
reinforcing bars shall be at least ___ in diameter and a minimum
of 20
feet in continuous length - ANSWER-1/2 inch
What is the minimum size wire for a ground ring? - ANSWER-
#2 bare
copper
how many feet of a rod electrode be in contact with the earth? -
ANSWER-8
A ground rod shall be at least how many inches in diameter? -
ANSWER-5/8
Cartridge Fuses of any voltage shall provide disconnecting
means on their __side - SOLUTION=Line
,3|Page
Edison base fuse holders shall be maximum of what voltage? -
SOLUTION=125 volts
Edison base fuses shall not operate at over? - SOLUTION=30
amps
A type S fuse i installed in an Edison base fuse holder for what
primary reason? - SOLUTION=Non-interchangeable
Cartridge fuses ___ or greater shall have a clearing time of 0.07
seconds or less - SOLUTION=1200 amps
SPD line conductors and conductors to ground shall not be
smaller than __ copper - SOLUTION=#14
For ungrounded surge arresters, the max operating voltage shall
be __ of the system - SOLUTION=Phase to phase
What is the minimum space between ground rods? - ANSWER-
6ft
, 4|Page
What size grounding electrode conductor must always be
protected from
physical damage? - ANSWER-#6 or larger
When a metal enclosure is required to protect the grounding
electrode
conductor, the enclosure has to be bonded to what at both ends?
-
ANSWER-Grounding electrode conductor
Jays sporting goods has a 3-phase 1200 A service being supplied
by
(4)350 kemil. The parallel conductors are installed in (4)
separate runs of
PVC. What is the min size copper-clad bonding jumper needed
in each
pipe? - ANSWER-1/0
If you have (2) parallel 300 KCMIL conductors installed in
separate runs
of PVC, what size EGC is needed in each pipe? - ANSWER-#1