Term
Street lights can be up to ? |
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Definition
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Term
What voltage can be carried through High Voltage Conductors? |
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Definition
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Term
High Voltage Signs on cross arms indicate conductors with more than ____ Volts? |
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Definition
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Term
What act as circuit breakers in high-voltage circuits? |
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Definition
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Term
How many different configurations of wires may be found for service conductors? |
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Definition
3 twisted around each other known as a Triplex |
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Term
Are street lights energized during daytime hours? |
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Definition
Normally there is no current flowing in the daytime. |
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Term
What is unusual about the position of the street light on power polls? |
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Definition
wires may be located on lower cross arms. |
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Term
Low Voltage conductors sometimes called secondaries carry ______________ volts? |
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Definition
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Term
Transformers reduce high voltage to lower voltage, usually ____ to ________? |
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Definition
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Term
High Voltage insulatros may be used to handle up to _________ volts? |
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Definition
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Term
Usually used to isolate defective service area and is to be operated by power company patrolman only? |
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Definition
Line Sectionalizing Switch |
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Term
Controls the voltage to transformers bank below and is operated by the POWER COMPANY poatrolman. |
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Definition
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Term
High Line Hand switches carry up to 34,500 volts. When may firefighters operate them? |
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Definition
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Term
When wires are down you must Notify OCDS and give the correct address and brief description, indicate ________? |
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Definition
Pole to Pole or House to Pole |
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Term
What wires may be cut by firefighter? |
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Definition
low voltage wires 750 volts or less |
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Term
When cutting wire use a mechanical axe and rubber gauntlet gloves. The gloves are test to ______ every ______ days by DWP. WHo are they exchanged with? |
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Definition
10,000V 60 days BN Staff Assistant |
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Term
Do not cut Triplex cables unless? |
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Definition
They are seperated and cut individually |
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Term
What are transmission lines used for? |
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Definition
To carry high volatge electricity |
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Term
What is the purpose of a distribution station? |
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Definition
These stations take power from transmission lines and reduce the voltage for use in the ditribution line. |
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Term
The main fire hazard within the underground vaults lies in the colling oil used in the transformers which has a flash point below ? |
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Definition
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Term
Can you use water to put out a fire in an underground vault? |
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Definition
never put water into a vault. Use only nonconducting extinguishers and only when requested to do so by DWP |
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