re: Permanently installed LED "Christmas" lights.

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I mean, you can go overboard with the design and end up with a system that needs its own breaker.

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Oh well that has to do with the amps you're pulling, but yeah if you go way overboard that can be a concern like plugging in too many other devices on the same circuit. But just to ballpark these LED strips, one 5V 60amp (300 watts, like a desktop computer) power supply can run 3 full 5 meter strips (at 60 led/meter) comfortably. And a typical household circuit can handle 5 of those power supplies comfortably. So if my math is right ( ) you can run about 250 feet of LED strips on one circuit, or about twice that if you use strips with only 30 led/meter.

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I agree with that - especially the older ones don't want to have anything to do with controls. Over time, the trades may merge, but right now I think the "low voltage" guy is going to have an expanding business.

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I definitely agree with that. I think we are going to start seeing a lot more applications of PoE over the next decade, cameras, lighting, controls, and things we haven't thought of yet.

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It has always been a sales arena job because of the brands and options available. It has always been a different type of trade.

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Yeah, and the industry is growing too fast for any one person to keep up with it all.