Question about Leviton DHC Remote Control System Remote Control

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I bought a house with Leviton 6400 and 6450 controllers and can not figure out how they work or what their purpose is. I cannot turn on outdoor flood lamps on one side of the house and cannot turn off out door flood lamps on the other side.

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Bought this house with the Lowes Iris Radio thermostat. totally unable to get the cool to work took a lot of playing around to get heat. don't want to wifi it, help

you must tell the tstat if it controls a heatpump or straight cool unit. If you dont know provide model numbers of outdoor unit. If this is correct turn power off to indoor unit and combine the red green and yellow wires inside tstat and turn power on. If indoor AND OUTDOOR units run are you heating or cooling??? If all is running and it is heating turn power off and add the "O" to the bunch and turn power back on. NO NEED TO PUT FACE PLATE ON TSTAT. this is bypassing tstat for test purposes. If system now cools with indoor and outdoor units running you have a setup issue with the tstat. FIRST BE SURE TO TAKE A PIC OF THE WIRING. Follow up with me with outcome I'll help u further.

If you need further help, reach me via phone at

May 13, 2018 | Heating & Cooling

1 Answer

Lights turning on

Try changing the code in both switches to the next available number. Some one nearby may have set their lights to work off the same code and thus activating yours as well. As to replacements, just google cat# 6319-2. lots of options.

Jan 23, 2014 | Leviton Electrical Supplies

1 Answer

I have two lights on the same circuit. Recently had my house sided and when I replace the light bulb on one of the outside lights, it came on when the switch inside the house was off. I turned thw switch...

Clarify: One switch controls 2 outdoor lights.
One turns on-off with switch.
Other stays ON all the time.
If this is not what you mean, then add a comment.

Might have a nail in a wire.
This is absolute fire hazard.
Notify contractor, call electrician.
We used to do siding, and put nails in water pipes and AC tubes.

Problem would probably be located near light that stays ON.

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1 Answer

I want to use an X-10 Pro appliance module outside, in an outlet that has a Leviton outdoor covered electrical outlet cover. The appliance module does not fit even with the cover completely open. Is it...

Instead of trying to put your appliance module outside, and risk it getting wet, why not add another outlet inside the house, near the existing outdoor outlet, or anywhere along the path of the existing wire that feeds that outlet. Re-route the wires that were going to the outdoor outlet to this new outlet instead. Then plug the appliance module into the new outlet, and plug into that a new wire leading to the existing outdoor outlet. If you are really lucky, there will be enough slack wire so that you can cut the wire going to the outlet and insert the new outlet in-between. In any case, you will need to put a plug on the wire feeding the outdoor outlet. Work safe, don't forget to turn off the breaker first! Good luck.

Jun 17, 2010 | Leviton Weather Resistant Outdoor Switch...

1 Answer

We bought a house we a lot of 3 way light switches all over the house. How can I find which ones belong together

the switches that controll one light are the ones that belong together. if you change them make sure you put the common wire on the common terminal of the switch

Jan 04, 2010 | Leviton Decora Light Dimmer Switch

2 Answers

Need help hooking up a single pole Leviton dimmer switch

hook up the red to red
black to black
green to bare wire
tie white wire to other whites in back of switch box in the wall.
If no whites in there cap it off with a wire connector.

Oct 27, 2008 | Electrical Supplies

1 Answer

How does it work?

By decreasing or increasing the RMS voltage and hence the mean power to the lamp it is possible to vary the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to control lighting.

Aug 27, 2008 | Leviton 8371419W Lamp Cord Dimmer

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