NOCTI Electrical Study Guide
Questions with 100% Correct
Answers
A wire to wire short circuit is caused how? - Answer- When one one wire touches
another wire causing the circuit to fail.
A wire to wire short or a wire to ground short will cause what? - Answer- a light to go
dim or to go out
high resistance in an electrical circuit will cause what involving lights? - Answer- It
causes lights to stay dim
What will a flasher do? - Answer- makes the blinkers blink
Automotive fuses are all sized by the amount of what? - Answer- the amount of
amperage they can carry
If a fuse is blown out and you replaced it, the problem with the circuit is not fixed; why? -
Answer- something caused the circuit to burn out
when replacing a halogen type headlight, what should you be aware of? - Answer-
NEVER touching a glass bulb with your skin
What is a test light used for? - Answer- to test a circuit to see if voltage is present
A volt/ohm meter is used to measure what? - Answer- the amount of voltage in a circuit
When determining a problem in an electrical circuit, what should you check first? -
Answer- the easiest thing first!
If you are not sure what to check first, where could you look? - Answer- service manual
Fuses are used to protect the circuit from what? - Answer- too much current
When replacing a headlight, it is a good idea to test the new light before what? -
Answer- mounting it in the car
Questions with 100% Correct
Answers
A wire to wire short circuit is caused how? - Answer- When one one wire touches
another wire causing the circuit to fail.
A wire to wire short or a wire to ground short will cause what? - Answer- a light to go
dim or to go out
high resistance in an electrical circuit will cause what involving lights? - Answer- It
causes lights to stay dim
What will a flasher do? - Answer- makes the blinkers blink
Automotive fuses are all sized by the amount of what? - Answer- the amount of
amperage they can carry
If a fuse is blown out and you replaced it, the problem with the circuit is not fixed; why? -
Answer- something caused the circuit to burn out
when replacing a halogen type headlight, what should you be aware of? - Answer-
NEVER touching a glass bulb with your skin
What is a test light used for? - Answer- to test a circuit to see if voltage is present
A volt/ohm meter is used to measure what? - Answer- the amount of voltage in a circuit
When determining a problem in an electrical circuit, what should you check first? -
Answer- the easiest thing first!
If you are not sure what to check first, where could you look? - Answer- service manual
Fuses are used to protect the circuit from what? - Answer- too much current
When replacing a headlight, it is a good idea to test the new light before what? -
Answer- mounting it in the car
