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Thread Wire Gauge Calculator - I'm curious why you say that? He has approximately almost 100ft of led mild strips. Ime led strips are about .12 a/toes. So he is looking at approximately 12a of call for. I'd also risk a bet that at $a hundred and twenty for the whole assignment he were given a cheap "30a" strength supply that, if it's anything like the cheap strength materials i've gotten online, shouldn't be relied on past 15-20a.
Op gave the run of 2 lengths of 20 ft every, that's efficaciously splitting the modern intake in 1/2 (15a max) down 20 toes. The usage of ohm's regulation, this will give a voltage drop of slightly less than .5a at full load-- he's using rgb leds, and if he sized his strips nicely to the energy deliver, he'll never be pulling complete load. Even if his leds rail the strength supply out, it won't supply greater than 15a down either department, and that .5v drop isn't going to make some thing warm sufficient to be unsafe.
And this is why they use high voltages for lengthy distance transmission strains. Low voltage mean each lower strength and higher resistive losses. It's a rectangular regulation aspect. In case your voltage is 10 times lower then you definately want 100 times extra copper.
I’m wiring 2 led strips (2 sets of 3 16ft strips) to a 12v 30a power deliver. What’s the smallest gauge of wire i will get away with the usage of for this? The wires want to be eleven toes long. I’m seeking to save some money because i’m already way over my price range on this undertaking but i don’t want to compromise safety.
Led strip lighting is all parallel, so if you hook one to some other "give up-to-give up" you're sincerely hooking them up in parallel. It can be accomplished in series but you would need to solder them subsequent to each different and it would be hard and awkward. Likely due to the fact the solution he gave is incomplete. There may be a big difference among "what's the most modern i'm able to run via cord x" and "what wire should i take advantage of for y cutting-edge". At a minimum the latter desires to bear in mind run duration and protection margins. For any kind of respectable 12v/30a dc run you're going to need a much beefier wire than 12awg. It even offers the system in case making a decision you could accept higher line losses.