There are three basic types of light switches used in the home: Single-pole, 3-way, and 4-way switches.The single-When one or more lights are controlled from one position, the pole switch is used.The 3-When one or more lights are controlled from one or more positions, the two-way switch is used in pairs.The 4-Switch in combination with two 3-When one or more lights are controlled from one or more positions, the switch mode.The terms used by these switches may sound daunting, but the actual wiring is straightForward and simple.Turn off the circuit breaker that supplies power to the switch circuit that will work.Non-use-check the wires in the equipment boxContact voltage detector.The non-If there is still voltage in the box, the contact voltage tester will beep loudly and remain silent if the circuit works safely.Count the number of insulated wires and the number of bare copper ground wires entering and leaving the equipment box where the switch is installed.The number of insulated wires and bare copper ground wires entering and leaving the box will determine which of the three switch types you need to install.Select and install one-Pole switch if two insulated wires go in and out of the box.Select and install a 3-If two insulated wires enter the box, three insulated wires leave the box and the Road switch.Select and install 4-If three insulated wires enter the box, three insulated wires leave the box and the Road switch.Remove the 3/4 inch insulation material from all insulated wires with a wire stripping clamp.Fix the white neutral wire side by side and screw it on the plastic wire nut.Splicing bare copper ground wires together in a similar way.Long at the stripping end of all red and black insulated wires-nosed pliers.Install one-By connecting the black line into the box to the bottom, brass-Colored screws and black wires leave the top of the box, brass-colored screw.Connect by placing the wire ring on the right side screw downManually direction and tighten the screw against the wire.Install a 3-Way switch black wire to enter the box by connecting the bottom of the switch dark screw, and red and black wire under brass \"travel\" wireColor screw on top of switch.Which of brass-The colored screws connected to the travel wires are not important.Install a 4-Switch by connecting a set of travel wires entering the bottom of the box to a set of travel wires at the bottom of BrassColor screws and a set of travel wires to leave the box on top of Brasscolored screws.Use captured 6-fix the switch in the boxThere are 32 screws on the plaster ears.Return the circuit breaker to the \"On\" position.
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