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NLC Electrical Grid Exam Correctly Answered

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Volt (V) - A measurement of electrical pressure Voltage - Electric pressure or electromotive force What are the effects of voltage? - 1. Amount of insulation needed 2. The separation between line conductors 3. Safe working practices 4. The types of tools needed to work on the lines Voltage is measured between how many points? - 2 points Typical distribution voltages - 1. 7,200/12,470 2. 7,600/13,200 3. 12,000/20,800 4.19,900/34,500 How many readings for transmission voltages? - 1 Typical transmission system voltages - 69,000 115,000 138,000 230,000 345,000 500,000 765,000 Why do transmission lines only have one reading? - Transmission lines do not carry a neutral conductor What produces magnetic fields? - Electric current or Amperage Ampere - a unit of electric current equal to a flow of one coulomb per second.

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Institution
NLC Electrical Grid
Course
NLC Electrical Grid

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NLC Electrical Grid Exam Correctly
Answered
Volt (V) - ✅✅ A measurement of electrical pressure

Voltage - ✅✅ Electric pressure or electromotive force

What are the effects of voltage? - ✅✅ 1. Amount of insulation needed
2. The separation between line conductors
3. Safe working practices
4. The types of tools needed to work on the lines

Voltage is measured between how many points? - ✅✅ 2 points

Typical distribution voltages - ✅✅ 1. 7,200/12,470
2. 7,600/13,200
3. 12,000/20,800
4.19,900/34,500

How many readings for transmission voltages? - ✅✅ 1

Typical transmission system voltages - ✅✅ 69,000 115,000 138,000 230,000
345,000 500,000 765,000

Why do transmission lines only have one reading? - ✅✅ Transmission lines do
not carry a neutral conductor

What produces magnetic fields? - ✅✅ Electric current or Amperage

Ampere - ✅✅ a unit of electric current equal to a flow of one coulomb per
second.

Coulomb - ✅✅ Quantity measurement of electrons

How many electrons in one coulomb? - ✅✅ 6,250,000,000,000,000,000

What tool is used to measure amps or current flow? - ✅✅ A clamp on Ammeter

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NLC Electrical Grid
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NLC Electrical Grid

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