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|Home 'Switch and Outlet Wiring Made Easy'|
Power Source at Outlet [NEC 2011 compliant]
Read the legal disclaimer page - click the legal link in the menu at bottom of page
new rule 404.2 (C) Compliant)
STEP 1 - Make certain that the power supply cable is dead - turn off the electrical breaker at the service panel. Make certain that everyone in the house is aware of what you are doing so that they do not get the notion to reset the breaker when another light in the home is not working.
STEP 2 - Make the box openings (if a existing home)
STEP 3 - Feed / Route the wire cables.
STEP 4 -Mount / Install the Electrical Boxes which should be flush with the finished wall, not beyond so that the wall plate will also be flush; then feed the wire cables into the electrical boxes. Sometimes because of tight openings in existing homes, the wire cable may to be feed into the electrical box then the box put in position and secured.
STEP 5 - Connect the wires...
At the Outlet box...
FIRST - break off the metal joining tab between the two
brass color screws, DO NOT break off the metal joining tab between the
silver color screws.
At the Switch box...
* a) connect the red wire coming from outlet to one of
the main screws of switch.
By electrical codes you MUST have at least 6 inches of wire in the electrical box itself, and also the wire must be able to reach at least 3 inches outside the box, it can fail an electrical inspection if the required min. wire length is not met. You may have the wires a bit longer (within reason) but they cannot be shorter. Also see the note on box fill further down in this article.
What is not shown in the drawings to avoid confusion, is that each wire cable also has a bare equipment grounding wire included. This wire is connected to a grounding screw in each electrical box (if the box is metal), joined either through the grounding screws in the box itself or via a wire nut to the bare wire of the next cable entering / exiting the box, it is also connected to any grounding screw (if there is one) on the switch itself, as well as the equipment grounding screw of outlet (possibly a green screw). Now if using a plastic box, it is made of a material that is non conductive, however some plastic boxes have a metal strip inside that can still be used to connect equipment grounding wires, in the event that it does not use wire nuts to join the bare grounding wires together. The equipment grounding wire (bare in most cables) must be electrical conductively joined throughout the circuit. Green wires are also equipment grounding conductors.
By: Donald Kerr
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