1
vote
1answer
245 views

Is there a UL listed relay for a line voltage device?

I once saw a device with full UL listing that was effectively a relay that could switch on or off a line voltage device. It looked something like a short extension cord but then had a low voltage wire ...
13
votes
7answers
3k views

Is there a wall outlet power meter that I can interface with from a computer?

I'm wondering if there is a wall outlet power meter that I can somehow interface with from a computer. I'm aware of all the google power meter products, but those are for an entire house. I'm trying ...