basic electricity facts and diagrams. romex types determine your need to determine the type of romex...
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![Page 1: Basic Electricity Facts and Diagrams. Romex Types Determine your need to determine the type of Romex needed Gage Size of the wire (common = 12 or 14)](https://reader036.vdocuments.mx/reader036/viewer/2022081516/56649db95503460f94aa996f/html5/thumbnails/1.jpg)
Basic Electricity
Facts and Diagrams
![Page 2: Basic Electricity Facts and Diagrams. Romex Types Determine your need to determine the type of Romex needed Gage Size of the wire (common = 12 or 14)](https://reader036.vdocuments.mx/reader036/viewer/2022081516/56649db95503460f94aa996f/html5/thumbnails/2.jpg)
Romex TypesDetermine your need to determine the type of Romex neededGage
Size of the wire (common = 12 or 14)2 wire
1 black, 1 white, and 1 bare/green ground wires
3 wire 1 black, 1 red, 1 white, 1 bare/green ground
wires
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Wire Types
There are 4 basic types of wireBlack wire = hotWhite wire = neutralBare/Green wire = groundRed = hot
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Wire Types
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Device TypesVarious devices are needing in wiring Light fixture Single-pole switches 3-way switch Duplex receptacles
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Device Types
![Page 7: Basic Electricity Facts and Diagrams. Romex Types Determine your need to determine the type of Romex needed Gage Size of the wire (common = 12 or 14)](https://reader036.vdocuments.mx/reader036/viewer/2022081516/56649db95503460f94aa996f/html5/thumbnails/7.jpg)
Device Types
![Page 8: Basic Electricity Facts and Diagrams. Romex Types Determine your need to determine the type of Romex needed Gage Size of the wire (common = 12 or 14)](https://reader036.vdocuments.mx/reader036/viewer/2022081516/56649db95503460f94aa996f/html5/thumbnails/8.jpg)
Device Types
![Page 9: Basic Electricity Facts and Diagrams. Romex Types Determine your need to determine the type of Romex needed Gage Size of the wire (common = 12 or 14)](https://reader036.vdocuments.mx/reader036/viewer/2022081516/56649db95503460f94aa996f/html5/thumbnails/9.jpg)
Device Screws
There is 3 basic types of screwsBrass (gold) – hot (black)Silver – neutral (white)Green – ground (bare/green)
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Device Screws
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Connector Types
Connecting caps are colored by size and useRedYellowGreen – primarily for ground
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Connector Types
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Wiring Rules
Neutral wire goes without interruption to every place in the circuit where current may be used
Neutral wire is connected to the silver-colored terminal.
The neutral wire is white.
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Wiring Rules
Black or red wire is always connected to a brass- colored terminal.
Black or red wires carry “hot” power or current from the source to the devices within the circuit
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Wiring Rules
The green, or bare, grounding wire is connected to the grounding terminal (green screw) of a grounding-type electrical fixture.
All wires must be spliced or connected to a terminal screw in each box.
Only one wire is allowed to be fastened under a terminal screw.
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A single-pole switch to a light fixture
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Duplex Receptacle with continuous Circuit
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A single pole switch to two light fixtures
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A single-pole switch controlling a light fixture with a line coming in and a line
extending beyond the fixture.
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Two 3-way switches controlling a light fixture with the power coming in through the first
switch.