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Residential Wiring Conductors, Regulating Bodies, & Diagrams

Residential Wiring Conductors, Regulating Bodies, & Diagrams. Residential Wiring. A house must be wired properly to prevent fires. Wires of correct size must be used to make sure consuming devices receive the correct amount of current.

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Residential Wiring Conductors, Regulating Bodies, & Diagrams

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  1. Residential WiringConductors, Regulating Bodies, & Diagrams

  2. Residential Wiring • A house must be wired properly to prevent fires. Wires of correct size must be used to make sure consuming devices receive the correct amount of current. • The diameter of wire determines the amount of current that can safely flow through it.

  3. Wires are sized according to a table known as the American Wire Gauge (AWG). The larger the number the smaller the diameter of the wire. Wire Size

  4. #22 AWG wire: used for telephone #18 AWG wire: used for door bell chimes #14 & #12 AWG wire: used for lights, switches, receptacles, base board heaters, hot water boilers. #10 AWG wire: used for electric dryers # 8 AWG wire: used for electric range #2 AWG wire: used for whole house ground wire #000 or #0000 AWG wire: used for service entrance and cables. Wire Size

  5. Color Code • Hot Wire: is usually black or some other color than white or green.Neutral Wire: is white. It is grounded at the main switch and runs to each 120v outlet without interruption. • Ground Wire: is green or bare copper. • Note: The color of the outer sheathing is of no significance, only the color of the inside insulation.

  6. Color Code / 2-Wire Circuits • Black & White wires: used for lights and receptacles indicates 110v A.C. present • Black & Red wires; used for electric heaters and hot water boilers. Indicates 220v A.C. is present. • Black and red wires may also be used between switch and lighting outlet.

  7. Black, Red, & White or Green: Used for electric dryers and ranges. Color Code / 3-Wire Circuits

  8. Switch Types Single Pole Double Pole Three Way Four Way Switch & Pilot Light Schematics & Symbols

  9. Receptacle / Outlets Single Receptacle Duplex Receptacle Triplex Receptacle GFCI Range Outlet Schematics & Symbols

  10. Electrical Components & Tools Wire Strippers/Crimpers Octagon or Junction Box Wire Sheathing Strippers Insulated Electrical Screwdrivers

  11. Electrical Components & Tools Marrettes / Wire Nuts Needle Nose Pliers Lineman Pliers Electrical Staple

  12. Electrical Components & Tools Switch Plates Receptacle /Switch Box Lampholder/Rossette Receptacle Plate

  13. Electrical Components & Tools

  14. Residential WiringConductors, Regulating Bodies, & Diagrams

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