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Hard wired home watt meter

Hi I see some products like Kill A Watt that plug into the outlet to monitor device energy usage. I would like to be su...
9 comments posted 14yrs
posted by scredcropshonnospam
9 comments posted 14yrs posted by scredcropshonnospam

watts the deal

so, i have this ac adapter: http://i1190.photobucket.com/albums/z449/m75214/122811195907.jpg it says it's about 1.5 amp...
17 comments posted 14yrs
posted by bob
17 comments posted 14yrs posted by bob

Help locating source of connector?

This is a female, D-shaped, 40-pin IDC, "flat-cable" connector. It's a bit of an oddity because the pins in the male co...
7 comments posted 14yrs
posted by invalid
7 comments posted 14yrs posted by invalid

GFCI tripping anomolies

I thought I had a reasonable understancing of GFCI devices. My first problems were when I was using GFCI for protection...
5 comments posted 14yrs
posted by SalmonEgg
5 comments posted 14yrs posted by SalmonEgg

PC-USB Encoder needed, with ~1,500 switches! Options

Hey all, I=92ve seen several USB 8-128 possible switch encoders. I need an encoder that can handle ~1,500 possible swit...
2 comments posted 14yrs
posted by christopher.issler
2 comments posted 14yrs posted by christopher.issler

Mains conduit fill question (N. America)

Have three AWG 6, one AWG 8 (insulated ground) and two AWG 14 conductors (all THHN or THWN) that need to run in conduit...
29 comments posted 14yrs
posted by bespoke
29 comments posted 14yrs posted by bespoke

Sending a 0 ohm 300ms pulse

Hello I am not an electrical engineer so sorry if this is a stupid question. I need to pull a signal low for exactly 30...
2 comments posted 14yrs
posted by jt11223
2 comments posted 14yrs posted by jt11223

just springs?

What are those things holding the power lines up in this photo? http://i1190.photobucket.com/albums/z449/m75214/12061112...
10 comments posted 14yrs
posted by bob
10 comments posted 14yrs posted by bob

Problems driving new vendor brushless DC motor

Hi, I have an existing custom designed brushless DC motor controller and software that works fine. Today we integrated...
0 comments posted 14yrs
posted by fredbasset1000
0 comments posted 14yrs posted by fredbasset1000

Mains 3-phase wiring question

In a print shop, the service entrance equipment has three 125A breakers. These feed three 120/208 breaker panels. There...
16 comments posted 14yrs
posted by mcham
16 comments posted 14yrs posted by mcham

cost of charging

I have an LG Optimus, and I want to compute the cost of charging it. I have a charger that uses 2 amperes of current. I...
12 comments posted 14yrs
posted by bob
12 comments posted 14yrs posted by bob

Plasma Speaker - Prototype

Plasma Speaker - Prototype http://www.metacafe.com/watch/1963063/plasma_speaker_early_prototype/ .
1 comments posted 14yrs
posted by TortureTechnologyNResearch
1 comments posted 14yrs posted by TortureTechnologyNResearch

outdoor lights

I have two outdoor lights, both of which are burned out. My roommate told me to replace them. They both have 100watt bu...
2 comments posted 14yrs
posted by bob
2 comments posted 14yrs posted by bob