Three Way Switch Wiring
Electric Pro Academy - Real Skills to make real money.
• Before getting into the wiring check that the power it turned off using a non-contact voltage tester (link below). Make sure to test the tool on a known live circuit right before testing the wires to be worked.
• In switching applications the white wire isn't always a neutral wire. If it is part of the switched hot it must be "durably marked" generally with a flag of colored electrical tape (red, blue, brown, black, yellow are all acceptable).
• Mechanical connectors (crimp sleeves, wire nuts etc) are required by code for all wire connections.
• Code requirement to clean off the conductors (stripped ends of the wire) - clean off paint or wall mud using the correctly sized hole in your stripping tool.
• Always use the screw tightened fittings on the switch, push in connectors are not quality connections - wrap the wire around the screw in a CLOCKWISE direction, so the tightening of the screw pulls the wrapped wire in tightly.
• Tuck and fold the wires into the wire box - watch the location of the grounding conductor and make sure that it doesn't get any where near the switch terminals or other bare conductors.
• Secure but don't over tighten the switch so that it deforms.
• Make sure the box is within 1/4" of the surface of the drywall.
• Install the switch cover - finish by orienting the screw slot in a consistent direction.
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Products:
• https://www.homedepot.com/p/Leviton-15-Amp-Single-Pole-Toggle-Light-Switch-White-R52-01451-02W/100026991
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