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How can I set lights to turn on and off automatically every 12 hours?
Wiki User
∙ 13y ago
If the lights are plugged into outlets, you can buy timers from your local hardware store to do this.
If you need a whole circuit or more than one circuit to turn on and off together, you can buy timers to do this. But this requires modification to your existing circuits and should be done by a competent electrician.
Wiki User
∙ 13y ago
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