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Question about Door Bell Wiring

I need a second doorbell in the garage shop. There is only one button (at the front door). The transformer is in the ga...
7 comments posted 9yrs
posted by nospam-m
7 comments posted 9yrs posted by nospam-m

What is going on here (electrically)?

In Philadelphia, the electrical distribution system has many configurations similar to these: https://goo.gl/maps/CFTdN...
7 comments posted 9yrs
posted by moroney
7 comments posted 9yrs posted by moroney

Electrical Safety Month

Got the heads up from this groups website on social media. https://www.thunderclap.it/projects/56011-support-electrical-...
0 comments posted 9yrs
posted by royquijanotech
0 comments posted 9yrs posted by royquijanotech

Microwave oven woes...

A client left a faulty microwave oven at my friend's shop, I opened it up and first thing I checked was, of course the...
15 comments posted 9yrs
posted by noone
15 comments posted 9yrs posted by noone

DC Motor

On older[30 to 50 years] field wound DC motors the field voltage was 90 volts. Why 90 volts and how was it derived? Tham...
0 comments posted 9yrs
posted by email
0 comments posted 9yrs posted by email

MV Power Factor Meters/Measurement

Hello, all, especially power engineers that plan MV distribution runs for electric utilities. Say a 12470/7200 volt med...
0 comments posted 9yrs
posted by arl_123234
0 comments posted 9yrs posted by arl_123234

Special function in power plants

DO power plants have a MILITARY function that short-circuit ALL citizens' AC socket? :)
0 comments posted 9yrs
posted by toylet.toylet
0 comments posted 9yrs posted by toylet.toylet

How is one volt defined?

Just curious about it. Does every country have its own devices to calibrate one volt in meters?
22 comments posted 9yrs
posted by toylet.toylet
22 comments posted 9yrs posted by toylet.toylet

Abraham-Ada's Method

Abraham-Ada's Method /*********************************************************/ Hi, folks. Do you know how to vote whe...
7 comments posted 9yrs
posted by chanzhaiming
7 comments posted 9yrs posted by chanzhaiming

Re: D < H

>dkdkd Well said!
0 comments posted 9yrs
posted by krw
0 comments posted 9yrs posted by krw

HDMI, DVI standard, adaptability?

I see plenty of DVI-to-HDMI and HDIM-to-DVI adapters to be purchased. Are these standards equally convertible without l...
3 comments posted 9yrs
posted by not
3 comments posted 9yrs posted by not

The code_001 still has a problem.

The code_001 still has a problem. If they set up a dummy or so call 'third party' whose name is Axxxx to absorb our arr...
1 comments posted 10yrs
posted by chanzhaiming
1 comments posted 10yrs posted by chanzhaiming

/* what does this code mean? */

/* what does this code mean? */ char* vote((char*) candidate[]) { sort(candidate); if (there_is_a_candidate_i_like == T...
0 comments posted 10yrs
posted by chanzhaiming
0 comments posted 10yrs posted by chanzhaiming