What is "E and/or V"? - correct answer Voltage; potential/driving force
What is "I"? - correct answer Amperage
What is "P and/or W"? - correct answer Po...
What is "E and/or V"? - correct answer Voltage; potential/driving force
What is "I"? - correct answer Amperage
What is "P and/or W"? - correct answer Power
What is "R and/or Q"? - correct answer Resistance/Ohm's
What is the relationship between Amperage, Power, and Volts? - correct answer
Power = Volts * Amperage
Amperage = Power/Volts
Volts = Power/Amperage
What is "q"? - correct answer Energy; power used by an appliance
How do you find energy used by an appliance? - correct answer Energy =
Power * time
1hp = ?W - correct answer 746 Watts
1hp = ?ft-lb/s - correct answer 550 ft-lb/s
Purpose of a Breaker - correct answer To break a circuit when the amps get
too high/exceed the limit
What two types of wires run along a power line? - correct answer One Hot
and One Neutral wire
, What type of wire descends the power line into the subsurface? - correct answer
Neutral wire acting as a ground
What does a transformer do? - correct answer Steps down power to 240V
What is the fuse attached to? - correct answer Line between the hot line and
transformer
How many wires are part of the service drop from the transformer to structure? - correct answer
2 Hot and 1 Neutral
What is the height above a service entrance for 0V - 150V wire - correct answer
10ft over driveway; 12ft over any property; 18ft over any road
What is the height above a service entrance for 150V - 300V wire - correct answer
12ft over driveway; 12ft over any property; 18ft over any road
What is the height above a service entrance for 300V - 600V wire - correct answer
15ft over driveway; 15ft over property; 18ft over any road
What is the purpose of a drip loop? - correct answer To keep water out
What is the purpose of a weather head? - correct answer To keep water out
A service drop must be how far away from a house? - correct answer 18
inches
What are power line wires made of? - correct answer Aluminum and Steel
What are all interior and step down wires made of after the 1970's? - correct answer
Copper
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