Can you use a photocell with a timer?
Using photocells and timers together is a popular method where all night lighting is not desired. The photocell can control when the lights come on but the timer can turn off lights before the photocell senses daylight.
How does a photocell timer work?
Photocell sensors work like a timer switch in that they power light fixtures off and on automatically during a set “time”. They work a little bit differently though than timer switches because photocell sensors sense the natural light of the sun for controlling artificial light output from lighting fixtures.
What is the red wire for on a photocell?
The white wire is the switch’s neutral wire and the black is the main power going into the photocell switch. The red wire is the “switch” wire coming from the photocell.
Do photocells need a neutral?
No. Switches do not have a neutral wire. Never switch the neutral wire of a circuit.
What is the blue wire on a timer switch?
With the exception of white == neutral and green == ground, wire colors mean basically nothing in the US/Canada electrical system. Typically black = hot and red = switched hot, but it can vary. Blue? Could be hot or switched hot.
What is a load wire on a timer switch?
The hot wire connections for a mechanical timer switch include both a LINE and LOAD connection. The LINE connection is where the incoming hot wire from the power source is connected, while the LOAD connection carries power onward from the switch to the appliance or device.
Which direction should a photocell face?
Photocell must be mounted vertically with the domed portion facing up.
How do you wire up a photocell?
Connect one black wire on the photocell to the black wire that comes from the building. Be sure to twist the exposed copper wire so that it forms a tight connection. Connect the second black wire on the photocell to the black wire on your light fixture, making sure that the copper wire is twisted together completely.
What is the blue wire on a photocell?
The blue is negative or return, so that will go to white.