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Electricity is a free flow of electrons through a conductive surface.
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What are good conductors of electricity? [blank_start]aluminum[blank_end], [blank_start]gold/silver[blank_end], [blank_start]copper[blank_end].
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aluminum
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gold/silver
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copper
Frage 3
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If a path is open it means it will be off.
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if a path is closed it means its on.
Frage 5
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What is direct current (DC) ?
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Current that flows in in direction in a complete path.
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Current that turns in various directions.
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Current that doesn't move anywhere.
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has electrons that flow back and forth.
Frage 6
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What is alternating current (AC)?
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current that doesnt move at all.
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electrons that flow back and forth
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the current flows in 1 direction in a complete path.
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electrons move in various directions but then form a complete path.
Frage 7
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Which are the 6 districts?
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Northeast (NE)
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Orange County (OC)
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North Coast (NC)
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Metro (CM)
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Western (WE)
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Beach Cities (BC)
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Balboa (BA)
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Eastern (EA)
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La Jolla (JL)
Frage 8
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Primary lines coming out of a substation are known as..
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cords
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extras
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feeders
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extensions
Frage 9
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Which are the four most common transmission voltages at SDGE?
Frage 10
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Is 12-4 kv a distribution voltage or transmission voltage?
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distribution
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transmission
Frage 11
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What type of voltage is 230?
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transmission
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distribution
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subtransmission
Frage 12
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What type of voltage is 500kv?
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transmission
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subtransmission
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distribution
Frage 13
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what type of voltage is 138kv?
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subtransmission
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distribution
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transmission
Frage 14
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These devices use step down and step up voltages and are central piece of equipment on a substation.
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transformer
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power tower
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transmission pole
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power grid
Frage 15
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As voltage [blank_start]increases[blank_end], amp [blank_start]decreases[blank_end].
Frage 16
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[blank_start]Switches[blank_end] are used for sectionalizing and isolating.
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These three are the major divisions in an electrical system.
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transmission
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transportation
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conversion
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generation
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distribution
Frage 18
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This conductor is best because its light weight and cheap.
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Copper
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Lead
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Aluminum
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Silver
Frage 19
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The prefix for a transmission pole is "P".
Frage 20
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An underground conductor uses [blank_start]cable[blank_end], and overhead conductor uses [blank_start]wire[blank_end].
Frage 21
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A live front transformer uses:
Frage 22
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A dead break elbow can be removed when energized.
Frage 23
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A service restorer and re-closer are the same thing.
Frage 24
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A [blank_start]fault indicator[blank_end] determines location of faulty cable, wire, or equipment.
Frage 25
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What type of amps can a load break elbow be attached to?
Frage 26
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what type of amps can a dead break elbow be attached to?
Frage 27
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Our distribution portion of our system is made up of? [blank_start]primary[blank_end] and [blank_start]secondary[blank_end].