Electrical systems with voltages significantly lower than mains wiring. Examples include ethernet, telephone, cable tv, and alarm systems.

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How to and what tools do I use to cable between 3 floors at my house.

What tools do I need and what techniques do I use to to cable a cable (coax) between 3 floors. Actually it's from my first floor of a two story home to the attic. I have searched and searched ...
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Separating wall cavity from cold air return for cable

I'm running cable for a motion sensor for our alarm system. I want to put it in the corner of the room and run the cable down inside the wall cavity, then through the right-side stud and down to a ...
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electric, breaker, to light switch, to garbage desposel stopped working

I have a short run from breaker to a basement light switch to garbage disposal. last month the garbage disposal stopped working, I replaced it and then it stopped again after about 5 times. I took ...
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Sprinkler valve solenoids won't activate at manifold

For years, the automatic sprinklers in my house worked fine (they were there when I bought the house). A few months ago, I noticed that the station which controls drip irrigation for shrubs would not ...
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Sudden low-voltage to the HVAC UV light unit

The UV-light installed in the HVAC quit working. Replaced the unit which still didn't work. Had the new unit tested by the manufacturer and its ok(they repalced it anyway). Tested the power source ...
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What are the building codes for installing cat6 in a commercial building?

I am installing a security camera system in a brand new construction site, in a restaurant to be exact. I am not doing any electrical wiring, everything is plug and play. However, I am installing data ...
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193 views

Fireplace switch: wiring length/gauge limitations?

We have a propane fireplace insert that can be wired up for a switch. Right now, there are two 6" 18g single-strand leads that when nutted together complete the circuit allowing the fireplace to turn ...