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How
to Replace outlet with combo switch Switch operates outlet |
Wall switches are generally rated
120-277
volt AC.
Look for volt and amp rating embossed on the electrical device. Do not exceed rating. Using 20 Amp switch on a 15 Amp circuit is potentially dangerous. It is acceptable to use 15 Amp switch on a 20 Amp circuit. For 240 volt applications, use double-pole switch. For other voltages, such as 480-347-600 volt etc, and for 3-phase applications, use switch or timer to activate contactor. |
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30 amp switch Single-pole/ 2-pole on-off switches Buy: 30 amp 2-pole switch 30 amp industrial grade |
30 amp double-pole Heavy duty double-pole switches to turn off both hot wires in 240 volt circuit. Always rated 240 volt. Buy: 30 amp motor switch 40 amp motor switch |
30 amp DPDT DPDT switch can be used to toggle between 2 different voltages. Buy: 30 amp DPDT switch Resource: Use this switch to toggle water heater between 120-240 volt |
Ordinary 15-20 amp Ordinary 15-20 amp toggle switch. Buy: 15 amp switch 20 amp switch |
pilot light switch Indicator light shows when Load is ON. Buy: Pilot light switch Resource: How to wire pilot light switch |
GFCI Switch Requires neutral wire. Add GFCI outlet to same box as switch. Buy: Leviton Combination GFCI Combination GFCI Amazon Resources: How to wire GFCI combo |
Combination Switch Requires neutral wire. Add outlet to same box as switch. Buy: Combination switch outlet Resources: How to wire GFCI combo |
3 & 4-way switch 4-way switch is used with two 3-way switches to add more switches to control one light. Always rated 120-277 volt. Buy: 4-way switch |
Double & triple switch Multiple switches in one box. Buy: Double switches Triple switches |
Center off Switch Momentary contact Use to activate delay timer or sound bell. Buy: Center off Switch Resources: How to wire delay timer |
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1) Start with Ordinary outletProject objective: replace outlet with combo device.Have switch on combo device control outlet on device Ground wire not shown Buy: Combination switch outlet Resources Read about 120Volt circuit |
1) Add combo device to control new light | |
Add combo device to control outlet | |
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2) Switch controls outlet on combo deviceMust remove break-away fin, and add jumper wire from Load brass screw to outlet screw as shown If your switch does not have break-away fin or 2 screws on Hot side, then this wiring is not possible Buy: Combination switch outlet Resources Read about 120Volt circuit |
How
to Add new outlet New outlet is added to Any-outlet#1 Add new wire into existing outlet box. Run wire to new box Install ordinary outlet in new box > white to silver screw, black to brass screw: If you choose, Run additional wire to another new box Black wire is Hot.> connect to brass screw White wire is Neutral> connect to silver screw Code says max 12 boxes per circuit breaker Resources: Read pdf How to drop wire into wall |
Typical switch box with
Neutral wire Resource How to add a switch Read pdf How to drop wire into wall |
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Neutral wire must connect
to combo switch. Neutral is normally two or more white wires covered with wire connector and pushed to back of box. If box does not have Neutral wire, the Neutral must be brought from any nearby outlet or ceiling box. Box must have neutral. Hot wire connects to both switch and outlet on left side of switch. Neutral wire connects to Outlet on right side of switch. Load Hot going to light connects to switch on right side of switch. |
How to test for Hot and Neutral wire: Turn power off Separate all wires for testing except ground wires. Turn power on. Tape tester leads to wood sticks for safety. Keep hands away from power. Test each wire to bare ground wire. Tester lights up on Hot wire. Hot wire should be black (except 3-way switches) Test Hot wire to all other wires except ground Tester lights up on Neutral wire. Buy: Voltage neon testers at Amazon Electric testers at Amazon |
How to replace switch with combo switch If your switch does not have 2 screws on Hot side, then this wiring is not possible Hot side has the narrow outlet blade. Review instructions above for basic wiring 1) Use screwdriver or pliers to remove break-away fin between Hot side screws. If Hot side does not have break-away fin, then wiring is not possible. 2) Add a jumper wire between brass load screw and outlet screw as shown in diagram Leviton 7299 cannot be wired this way Buy: Combination switch outlet |
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How to wire 2 outlets Outlets are wired in parallel Each outlet receives Hot wire and neutral wire. Inspect screws on each outlet to make sure the Brass screws are bonded together, and Silver screws are bonded together. Connect Black Hot to side with brass screws and narrow blade. Connect White Neutral to side with silver screws and wide blade. Outlets have amp rating printed on back of device. Match amp rating and expected load. Always connect ground wire. Resources: Select and connect wire connectors How to twist wire Select correct wire size |
What is 3-phase electric: power plant to end user |
Electricity: The grid is defined by three parts: transmission, distribution and end user. The following links show how it works Power plant to end user power pole Power pole to residential breaker box Power pole to commercial breaker box How to wire residential single phase electric How to wire commercial 3-phase Difference between single-phase and 3-phase Why you need ground wire How to wire 3-phase timer 3-phase water heater |
Contactors/ relays |
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