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Wiring a Photocell for an Outdoor Light Fixture
©Copyright Dave Rongey - Summary:
How to Add a Photocell Control for an Outside Light Fixture. The solution is to get a photocell that matches the voltage configuration you have wired the outside light fixture for, and wire it according to the diagram.
Matching a Photocell to an Outdoor Light Fixture
Electrical Question: I have a question about wiring a 1000 watt outdoor light. It is now wired for 240 volts and would like to switch it on and off with a photo cell. I have a photocell and was just wondering do you switch just one leg to shut it on and off and if that is the case why is a 240 volt photo cell needed? Each leg is 120 volts just looking for some understanding.
This electrical question came from: Joe, a Handyman from Branch, Michigan.
Thanks for your electrical wiring question Joe.
Photocell Control for an Outside Light Fixture
- There are applications where a 240 volt load can be switched on and off using just one leg of power, but I would not advise it unless it is a built in control circuit of the equipment.
- The photocell to control your 1000 watt outdoor light fixture needs 240 volts to operate the photo cell, and because the 240 volt circuit does not have a neutral you cannot use a 120 volt photocell which does require a neutral.
- The solution is to get a photocell that matches the voltage configuration you have wired the outside light fixture for, and wire it according to the diagram.
- Photocells are available for most voltages and various watt or electrical circuit load requirements.
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