LADWP ELECTRICAL CRAFT HELPER EXAM 2026 |
PRACTICE QUESTIONS & VERIFIED ANSWERS |
DETAILED RATIONALES
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Terms in this set (95)
What is the primary purpose of Provide a path for fault current and help protect
grounding an electrical system? people and equipment
Which instrument is normally used to Ohmmeter
measure resistance?
Before measuring resistance with an De-energized and isolated as appropriate
ohmmeter, the circuit should
generally be?
, Ohm's Law can be written as? V=I×R
A 120-volt load has a resistance of 20 6A
ohms. Approximately how much
current flows?
Electrical power in a resistive circuit P=V×I
can be calculated using?
A circuit breaker is primarily designed Interrupt current during overcurrent conditions
to?
In a three-phase, four-wire system, Neutral
the fourth conductor is normally the?
What does AC stand for? Alternating Current
What does DC stand for? Direct Current
A transformer is commonly used to? Change AC voltage levels
A fuse protects a circuit by? Opening the circuit when excessive current causes
the fusible element to operate
PRACTICE QUESTIONS & VERIFIED ANSWERS |
DETAILED RATIONALES
Play your way to mastery with fun games
Match Blocks Charms NEW
Terms in this set (95)
What is the primary purpose of Provide a path for fault current and help protect
grounding an electrical system? people and equipment
Which instrument is normally used to Ohmmeter
measure resistance?
Before measuring resistance with an De-energized and isolated as appropriate
ohmmeter, the circuit should
generally be?
, Ohm's Law can be written as? V=I×R
A 120-volt load has a resistance of 20 6A
ohms. Approximately how much
current flows?
Electrical power in a resistive circuit P=V×I
can be calculated using?
A circuit breaker is primarily designed Interrupt current during overcurrent conditions
to?
In a three-phase, four-wire system, Neutral
the fourth conductor is normally the?
What does AC stand for? Alternating Current
What does DC stand for? Direct Current
A transformer is commonly used to? Change AC voltage levels
A fuse protects a circuit by? Opening the circuit when excessive current causes
the fusible element to operate
