NEWEST ACTUAL EXAM WITH COMPLETE
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How should power cable and signal cable be placed in the same
cable tray? - ✔✔✔ Correct Answer > Place a divider between
the signal cables and the power cable
What type of circuit breaker was developed to meet the needs
of modern power system where high pontential fault-current
are present? - ✔✔✔ Correct Answer > Current-limiting
breakers
Where are the overload heaters normally located in a motor
circuit? - ✔✔✔ Correct Answer > In the motor starter between
the "T" leads and contactor
,What is the correct combination for hooking up a 480-volt
motor with 9 leads? - ✔✔✔ Correct Answer > L1&T1, L2&T2,
L3&T3, 4&7, 5&8, 6&9
All of the following are standard fuse sizes EXCEPT - ✔✔✔
Correct Answer > 550 AMP
208. A heat trace cable is installed on a line that will be
insulated, when should it be megged? - ✔✔✔ Correct Answer >
Before and after the insulation is put on
What instrument is used to measure current? - ✔✔✔ Correct
Answer > Ammeter
What are the 2 MOST commonly used methods of terminating
grounding? - ✔✔✔ Correct Answer > Exothermic (Cadwelding)
and mechanical
Copper is the most widely used conductor because it. - ✔✔✔
Correct Answer > Offers low resistance and is easy to use
,The force that causes electrons to flow is most commonly
called - ✔✔✔ Correct Answer > Voltage
A dropout plate is best described as a. - ✔✔✔ Correct Answer >
Plate with a curved surface for cable to follow as it passes from
the tray
The 2 basic cable tray failures under load are _____ failures. -
✔✔✔ Correct Answer > Side rail and rung
A voltage of 1 volt applied across a resistance of 1 ohm
produces a current of 1 amp. If the voltage is doubled and the
resistance is halved, then the current - ✔✔✔ Correct Answer >
Increases 4 times
The NEC requires that switch, receptacle, and fixture boxes be
_with the finished face of the wall surface when combustible
material, such as ply- wood or paneling, is being used - ✔✔✔
Correct Answer > Mounted flush
The point of attachment of service drop conductors MUST
provide MINIMUM clearances as specified in what NEC cable? -
✔✔✔ Correct Answer > 310-16
, The installation specifications of both surface metal raceways
and surface nonmetallic raceways can be found in. - ✔✔✔
Correct Answer > NEC Articles 352
To properly install a compression lug on a conductor
REQUIRING multiple crimps, the electrician will crimp? - ✔✔✔
Correct Answer > Starting from the lug eye to the barrel
opening
When should a de-oxide compound be used? - ✔✔✔ Correct
Answer > During an aluminum to copper connection
What should be used on every wire pull through conduit? -
✔✔✔ Correct Answer > Wire lube
Given: the distance between a starter and a 3-phase motor is
73 ft. the started MUST have a Sft tail and the motor a 3ft tail.
How much multi-conductor wire is REQUIRED for a pull from
the starter to the motor? - ✔✔✔ Correct Answer > 81ft