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This is simple. First the wire coming from the power supply go to the switch. Then it goes to the first , the second and the third light. Since the switch comes first all three light will be controlled by that one switch.

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15y ago
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14y ago

The easiest way is to use low voltage controlled relay. There are a number of vendors who sell home automation solutions like this. Basically the high voltage side of the relay controls the HOT wire to the bulb. The relay is typically controlled by a 24V transformer. You can add as many switches as you want to the low voltage side. The switches are momentary contact and energize or de-energize the bulb. In some automation solutions all this functionality is built into switch which can wirelessly communicate through a network so you can turn the bulb on or off through your internet equipped phone.

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A far less expensive solution is to use 2 single pole, double throw switches (3-way) and one double pole, double throw (4-way) switch.

Refer to the link below for a diagram.

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16y ago

If you wire the lights in parallel you can then decide on any switch to control any light

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9y ago

There is no way to safely 4 lights to 3 switches. You can however complete this process by splitting wires.

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10y ago

Send power from the switch to the first can light. Then send a wire from that can light to the next can light and then to the last can light.

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Q: How can you wire and control 3 lights from 1 switch?
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