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Residental mains wiring questions (USA)

I am installing a new meter & load panel. The old panel is 50 feet from the new location. I'm going to install a juncti...
68 comments posted 16yrs
posted by bespoke
68 comments posted 16yrs posted by bespoke

Transformer

Where can I get a instruction book of 5 MVA Westinghouse transformer, Instruction Boook Number: 47-614-C372
8 comments posted 16yrs
posted by pulgas99
8 comments posted 16yrs posted by pulgas99

AC Power: S^2 = P^2 + Q^2 ?

If waveform is purely sinusoidal, it was said the S^2 = P^2 + Q^2, where S is apparent power, P is real power and Q is...
5 comments posted 16yrs
posted by narkewoody
5 comments posted 16yrs posted by narkewoody

Laws of Physics

Laws of Physics This article: Is the Universe Leaking Energy? Total energy must be conserved. Every student of physics...
6 comments posted 16yrs
posted by doreendotan
6 comments posted 16yrs posted by doreendotan

Fuse or fusible resistor?

Used in the battery (-) lead of a handheld scope. Schematics unpublished. Physically similar to a 1/4 W resistor, color...
20 comments posted 16yrs
posted by invalid
20 comments posted 16yrs posted by invalid

Emergency Generator

Sorry for the cross post. Have a question about it's operation. I am a Jack of all trades, but a master of none. Good f...
13 comments posted 16yrs
posted by bilzbs
13 comments posted 16yrs posted by bilzbs

MTD Model # 13am675g062 lawn tractor

MTD Products, Inc. Model # 13am675g062 14.5hp Briggs & Stratton. This shows how to rewire a failed ignition system for...
0 comments posted 16yrs
posted by jon8338
0 comments posted 16yrs posted by jon8338

Changing channel on RF modulator

How would I move channel 3 (or 4) output up to channel 6 on the old time TV RF modulators.
4 comments posted 16yrs
posted by gfretwell
4 comments posted 16yrs posted by gfretwell

Testing Ground on Main Panel

A contractor informed us that our main electrical panel is not actually connected to ground. He proposes to install a c...
10 comments posted 16yrs
posted by persistentone
10 comments posted 16yrs posted by persistentone

Specifying Electrical Safety Switch for UPS

We are installing a large tower UPS into a computer room, and I want to make sure I specify the safety switch correctly...
3 comments posted 16yrs
posted by persistentone
3 comments posted 16yrs posted by persistentone

How to understand negative real and reactive power?

Hi, In a AC power quadrant diagram, how to understand the physical meanings of powers that falls in each quadrant? I: +...
12 comments posted 16yrs
posted by narkewoody
12 comments posted 16yrs posted by narkewoody

Thus Spake Xy Borg

Thus Spake Xy Borg Hear, ye, Brethren. Here ye. Long didst I sojourn in the Valley of CERN. Yay! Long have I mediated u...
0 comments posted 16yrs
posted by doreendotan
0 comments posted 16yrs posted by doreendotan

Question for motor experts.

I have a single to three phase inverter drive, which I bought in error not realising that the output was only 240V ph-p...
11 comments posted 16yrs
posted by Spambin
11 comments posted 16yrs posted by Spambin

Written pole motors

This U.S. company says they can make larger single phase motors up to 75 horsepower. I was wondering about the good and...
9 comments posted 16yrs
posted by dh0496
9 comments posted 16yrs posted by dh0496