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High voltage demonstration

This is a high voltage demonstration using an inexpensive car ignition coil being driven by a variable frequency, duty...
0 comments posted 6yrs
posted by nobody
0 comments posted 6yrs posted by nobody

1500 mile e-car for Austin in UK non-toxic fuel cell

https://www.dailymail.co.uk/news/article-7592485/Father-eight-invents-electric-car-battery-drivers-1-500-miles-without-c...
0 comments posted 6yrs
posted by tony.sunnysky
0 comments posted 6yrs posted by tony.sunnysky

n00b question about "What is a phase?"

Hi, Would someone be kind enough to help me understand the difference between a phase and lines? I think that a phase i...
13 comments posted 6yrs
posted by gtaylor
13 comments posted 6yrs posted by gtaylor

Electric Grill (Smoker) thermostat IR drop?

The thermostat that plugs into my smoker has blue corrosion on the hot side of the wiring. The manufacturer insists tha...
3 comments posted 6yrs
posted by theopapin
3 comments posted 6yrs posted by theopapin

OT. Antenna tester

I fix center pivot irrigation systems and am looking for an easier way to diagnose potential problems. The pivots are w...
5 comments posted 6yrs
posted by dh0496
5 comments posted 6yrs posted by dh0496

UK power outage: Live updates

UK power outage: Live updates Full story: 6:24 Goodnight This is the end of live updates on the power cut across large...
1 comments posted 6yrs
posted by toylet.toylet
1 comments posted 6yrs posted by toylet.toylet

Not exactly electrical

What do you guys know about OTA TV signals. How much are the affected by trees? Long story short I have a "70 mile deep...
8 comments posted 7yrs
posted by gfretwell
8 comments posted 7yrs posted by gfretwell

Rulew of thumb DC vs AC coils

Say you have a relay coil rated at 24VAC, is there a rule of thumb what the DC current might be to operate it? I do unde...
2 comments posted 7yrs
posted by gfretwell
2 comments posted 7yrs posted by gfretwell

National Electrical Code 2020 Updates

https://www.nfpa.org/News-and-Research/Publications-and-media/NFPA-Journal/2019/May-June-2019/Features/2020-NEC-Changes
1 comments posted 7yrs
posted by royquijanotech
1 comments posted 7yrs posted by royquijanotech

It's Never Too Late To Make Things Right

content://media/external/file/41166 Take Your Time, Do It Right. And Yeah Put A Little Class & Finess Into It, Or Have...
12 comments posted 7yrs
posted by royquijanotech
12 comments posted 7yrs posted by royquijanotech

Measuring PWM current?

Can an RMS current clamp meter accurately measure the current of a PWM voltage? How else to measure PWM current without...
2 comments posted 7yrs
posted by noncompliant
2 comments posted 7yrs posted by noncompliant