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

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12 views

Low-voltage lights turn on then start to flash

I've got a string of LV lights in my kitchen that over the last few weeks have started to behave oddly. They will turn on and the one farthest from the power supply are dimmer than the ones closest ...
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56 views

What do I need in order to fix the sloppy work done by cable providers? [duplicate]

As some of you have surely experienced, residential telecom installers can leave a thing or two to be desired when it comes to how they get the service into our homes. A small project I've had in ...
3
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1answer
41 views

Is there an advantage to using EMT over Plastic Flexible Conduit for Low Voltage runs?

I am planning a structured wiring project. As AV wiring is always changing, I think it would be pertinent to run the low voltage wire in conduit. While discussing the idea with a friend (and hardware ...
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32 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 ...
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1answer
512 views

Is it safe to run a Kinect 360 cable in drywall?

Does anyone know if it's safe / compliant to run a Kinect 360 cable in drywall? No extension, just the original cable, running a vertical 5-8 ft segment.
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90 views

At what voltage are “low voltage” junction boxes not appropriate?

120VAC needs a proper, enclosed junction box. Speaker cable, data, and low voltage power are fine with the more open low-voltage boxes. At what voltage are the enclosed boxes required? Do PoE lines ...
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114 views

Residential electrical installation, at what voltage is a licensed contractor required?

I'm trying to figure out regulatory requirements for residential electrical installations. Specifically, when is a licensed electrician required by code to perform an installation? Obviously you don't ...
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2answers
489 views

Practical limits of how many LEDs can you use to replace halogen 12V?

I'm gradually replacing halogen lights at home with LEDs. We have a couple of 12V rails with a 5x35W rating when using halogens. When using the same transformer with LED's, can I use the theoretical ...
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714 views

Why do I have low voltage and backfeeding between circuits throughout my whole house?

If I plug a hairdryer or anything else into a outlet, I lose voltage in the whole house. If I plug the iron in, the stove surges. This is a nightmare. I can't run the fridge; I can't even get the TV ...
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2answers
256 views

Can 18/2 CL2 barostat cable be used for speakers?

We're wiring our kitchen for a stereo speaker system. There was only enough 18 gauge speaker wire for one speaker, so the electricians used 18/2 barostat wire for the other. The speaker cable seems ...
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2answers
2k views

How do I properly bring in coax from the pole to the interior of my house?

As it is now, the coax comes off the pole and is anchored under the eave with a coax grounding block. From there, the local cable company stapled the coax down the siding, then horizontally around a ...
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391 views

How to replace wire next to another wire?

Currently I have, courtesy of the last owner, 3 wires running to the "socket" behind my TV. It's a coax and 2 audio cables (image below), and they go to the fuse box/meter box in the hallway. . I'm ...
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338 views

How do I string a low voltage wire between two buildings?

I need to get Cat6A to an outbuilding for network communication; underground is not an option. I think I have an idea on the method: grounded pillars with a guyline and the outdoor cable. What NEC ...