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Touch potential

I'm learning at least a little bit about touch potential. Most of what I've found is related to the guys who work on po...
0 comments posted 7yrs
posted by dh0496
0 comments posted 7yrs posted by dh0496

Equipment grounding

I work for a company that sells center pivot irrigation systems. A common situation is the pivot and electric well moto...
13 comments posted 7yrs
posted by dh0496
13 comments posted 7yrs posted by dh0496

Function of Portable Generator Outlet Ground

Hello, all. As most portable consumer-grade AC generators don't have their grounds (frame and ground prongs on their mo...
13 comments posted 7yrs
posted by arl_123234
13 comments posted 7yrs posted by arl_123234

Mil spec pots

I am looking for a couple off wet location/mil spec pots (25 and 500 ohm) Any ideas
4 comments posted 7yrs
posted by gfretwell
4 comments posted 7yrs posted by gfretwell

Wrong signs in three formulas of electrotechnics

Lorentz force formula F=qvB has been obtained by experiment. It can be derived from third Hertz's equation: rot E = -d/...
0 comments posted 8yrs
posted by vladimir.levardo
0 comments posted 8yrs posted by vladimir.levardo

Is Class 1 laser safe enough for baby eyes?

I meant, what if someone accidentally shine Class 1 laser into a baby's eyes? Would it hurt retina and leave a permanen...
0 comments posted 8yrs
posted by toylet.toylet
0 comments posted 8yrs posted by toylet.toylet

Dimmer for 4V LED

I have a 4V, 0.75A, 3W power adapter (120V input) that powers a single LED that is too bright. Is there a way to make or...
4 comments posted 8yrs
posted by nospam-m
4 comments posted 8yrs posted by nospam-m

MV-to-LV Connection

Hello, all, and a question especially for those who work in AC power distribution: One is provided with two line-line M...
0 comments posted 8yrs
posted by arl_123234
0 comments posted 8yrs posted by arl_123234

Fwd: Can LED bulbs be connected to a flasher?

-------- Forwarded Message -------- Subject: Can LED bulbs be connected to a flasher? Date: Mon, 14 May 2018 14:08:24 -...
0 comments posted 8yrs
posted by dh0496
0 comments posted 8yrs posted by dh0496

jammer for 595-625 MHz

Could you help me to find this jammer, please?
9 comments posted 8yrs
posted by matlab.user
9 comments posted 8yrs posted by matlab.user

off topic cross post

an off topic cross post If you think you got it then either use it or lose it. don't expect it like it's your birthrigh...
0 comments posted 8yrs
posted by retenshun
0 comments posted 8yrs posted by retenshun

I like this ... that's all

https://www.dropbox.com/s/njgmhgchxw48jtt/MIS%20three%20switches%20on%20on%20light%20bulb.tif?dl=0 Simon
24 comments posted 8yrs
posted by retenshun
24 comments posted 8yrs posted by retenshun

Door Bell Buzzer "tap"

For a remote (from chime) but "near" transformer for door bell power. https://www.dropbox.com/s/f41mrdcbop1jqa0/MIS%20BA...
16 comments posted 8yrs
posted by retenshun
16 comments posted 8yrs posted by retenshun