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I run a lot of LEDs for decoration, and I haven't used anything larger than 16ga wire - and that was for power to a distribution board that branched out 4 different ways. My longest power injection ca …

You can run from one can to another in any way that makes sense. Typically this would be done to minimize the cable length. It is easier to run parallel to the trusses and minimize truss crossings (t …

Cat5e cable is capable of running a gigabit ethernet home network. For the telephone jacks you've posted in the photos only wire continuity is important; telephone is on a different level than etherne …

I've removed several of these, but never from a brick wall. Typically the hole is a bit larger diameter than the wire and the gap is sealed on both sides with caulk or rubber grommets. If you remove t …

The proper way is indeed to pigtail ground wires from that bundle to each switch. They should be wired in such a way that detaching ground from one switch (to replace it, for example) doesn't impact t …

I recommend heatshrink solder-seal butt splices for (permanent) outdoor low-voltage wiring. You may be able to get that to work with custom splices of these lights. … In this case though, I'd look for another product that is more weather-tolerant, and if your needs include custom wiring lengths and distances you'd be better off with battery-powered candles and custom …

The Support page for that thermostat indicates the outdoor temperature comes from the zip code you configure and uses Accuweather. It doesn't use a local temperature sensor. Thermostat Functions: ... …

In the interest of keeping everything the same in your diagram, I finished it like this. The 4-way switch alternates between "cross" and "straight" connections, so it gets both travelers. Note that o …

The wiring in your last 3 pictures is likely Cat5, being used as telephone wire (one pair in use) and the fact that two wires are seen here means they daisy-chain from port to port (as opposed to home-runs …

You're close, but in order to wire up the basement valve you need to make some changes. I modified your diagram and added a crude green scissors showing "eliminate this connection" between "power" tho …

Attaching wires to various terminals is unlikely to solve your issue or determine if the new thermostat is faulty, it needs to be wired correctly to operate correctly. If your thermostat is using line …

Red, green, yellow, black wires in a cable make this "telephone quad cable," almost definitely used at present or in the past for landline telephone wiring. Why's it there? … The wiring can be repurposed in surprising ways, like carrying signals or voltage to security systems and smarthome devices. …

If you're going to use relays, you need at least 2 relays on the output from the Upstairs sensor to isolate that sensor's activation of both LED strips from each other, and the individual activation o …

Hopefully you've learned to photograph and label your wiring before disconnecting things; which doesn't do you much good now, but next time you need to do some rewiring, you can take some "before" pictures …

After the 12v transformer/power supply, 14/2 wiring is overkill for low-voltage LED applications as these are carrying a very low wattage. … Commonly used wiring is 18 or 20 gauge stranded copper which is basically speaker wire. This can be found in 2, 3, or 4-conductor cables depending on your LED signal needs. …