New answers tagged led
6
votes
Does Power-Over-Ethernet help the DIYer?
Power Over Ethernet is a codified way of safely sending up to 15 Watts of electrical power over a twisted-pair ethernet cable.
POE puts -48V DC on the wire in such a way that it does not interfere ...
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2
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Does Power-Over-Ethernet help the DIYer?
Pulling a single lightweight, flexible cable is simpler than pulling that same network cable and a power cable. As long as the power needed is small enough, you can kill two birds with one stone (or, ...
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2
votes
Accepted
Using LED lamp in kitchen range hood
The key issue is heat. A 40W halogen produces a lot of heat. An equivalent LED will be around 4W - so 10% as much power and on the order of 10% as much heat. However, halogen bulbs love heat, LEDs do ...
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