IEC YEAR 1 EXAM WITH REAL QUESTIONS AND WELL VERIFIED ANSWERS | ALREADY GRADED A+ | GUARANTEED PASS | LATEST VERSION
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IEC YEAR 1
IEC YEAR 1 EXAM WITH REAL QUESTIONS
AND WELL VERIFIED ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS | LATEST
VERSION
What is the percentage of voltage drop on a 120-volt circuit? 12 AWG copper
conductors were used and the load draws 20 amperes. The distance from the panel ...
IEC YEAR 1 EXAM WITH REAL QUESTIONS
AND WELL VERIFIED ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS | LATEST
VERSION 2024-2025
What is the percentage of voltage drop on a 120-volt circuit? 12 AWG copper
conductors were used and the load draws 20 amperes. The distance from the panel
to the load is 100 feet. Use K = 12 to calculate the voltage dropped in the
conductors. - ANSWER-6%
What is the voltage drop on a 120-volt circuit? The circuit uses 12 AWG copper
conductors and has a load of 20 amperes. There is a distance of 100 feet from the
panel to the load. (Use K=12) - ANSWER-7.35
To convert a conventional duplex receptacle into a split-wired receptacle, the ___
is removed. - ANSWER-tab
To get a 40-inch long 90º stub-up in 1/2-inch RMC (rigid metal conduit), you will
place the bender arrow at ___ inches from the measured end of the conduit. -
ANSWER-34
Transient voltage surge suppressors are used to minimize the damage to connected
equipment caused by ___. - ANSWER-line surges and spikes
,Two particles that are both positively charged will ___ each other. - ANSWER-
repel
Voltage drop problems can be caused by any of the following conditions: • wire
too small for load served• circuit conductors too long• poor or corroded
connections at terminals• conductors operating at high temperatures (higher
temperatures increase resistance) The presence of one or more of these conditions
causes an increase in the total ___ of the circuit. - ANSWER-resistance
Light switches (toggle switches) are rated for the maximum ___. I. voltage II.
current - ANSWER-both I & II
Locking-type plugs require ___ to separate the plug from the receptacle. -
ANSWER-turning and pulling
Metal Halide lighting is used instead of incandescent or fluorescent because ____ -
ANSWER-produces more lumens for the same wattage
T/F Most power tools have built-in strain relief adequate to hold the weight of the
tool. - ANSWER-false
NM cable is permitted to be installed in normally ___ locations. - ANSWER-dry
NM cable is permitted to be installed in normally ___ locations. - ANSWER-4 1/2
ft 12 in
In a house, a single receptacle installed in a garage or unfinished basement in a
dedicated space for a cord-and-plug-connected appliance such as a freezer or
, refrigerator ___ required to be protected by a ground-fault circuit-interrupter. -
ANSWER-is
T/F In general, safety eyewear should be worn when using power tools. -
ANSWER-true
In general, ___ of a conductor must not be less than the rating of the overcurrent
device protecting the conductor. - ANSWER-ampacity
The amount of light required at a dentist's chair is ___ that required to operate a
gas pump at a Stop-N-Go convenience store. - ANSWER-more than
The cabinet in the EWR master bath is ___" wide. - ANSWER-36
The circuit breaker feeding EWR Panel B has a rating of ___ Amps. - ANSWER-
100
The Code reference that requires luminaires installed in specific locations (such as
wet, damp, or dry) to have markings identifying the luminaire as suitable for that
location is ___. Select N/A (not applicable) if there is not a Code reference for this.
- ANSWER-410.10(A)
The Code reference that specifies the required number of receptacles in a dwelling
hallway is ___. Select N/A (not applicable) if there is not a Code reference for this.
- ANSWER-210.52(H)
The Code requires which of the following residential receptacles to be GFCI
protected? I. A receptacle installed on a garage ceiling for an automatic garage
door operator II. A receptacle installed above a work table in a garage - ANSWER-
both I & II
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