New answers tagged

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 ...
user avatar
  • 7,277
2 votes

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, ...
user avatar
  • 187
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 ...
user avatar

Top 50 recent answers are included