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circuit breaker question

I hope this is the right group for this question. I have been running two electric heaters (the ones that look like a r...
4 comments posted 16yrs
posted by no-bammer
4 comments posted 16yrs posted by no-bammer

208V to 208/120 transformer

You get 208 volts coming in via an L6-XXP plug. Output is an isolated 120/208 volt split phase. So how would this be do...
3 comments posted 16yrs
posted by phil-news-nospam
3 comments posted 16yrs posted by phil-news-nospam

Who makes dual-conversion UPSs?

APC makes the "Smart" series of true sine wave UPSs, and they make some dual-conversion ones. Is there a way to know by...
2 comments posted 16yrs
posted by gwprez
2 comments posted 16yrs posted by gwprez

Grounding question

I work (when there IS work) as a gas/oil drilling consultant. There are generally several work trailers on the drilling...
8 comments posted 16yrs
posted by joeraisin2001
8 comments posted 16yrs posted by joeraisin2001

Why do street lights flicker in snowy weather?

In the UK we currently have cold winds and snow. A radio phone-in got a lot of people talking about flickering street l...
71 comments posted 16yrs
posted by dummy
71 comments posted 16yrs posted by dummy

Use different size wire in electro clutch?

The coil in an industrial electromagnetic clutch (connecting the flywheel to the drive mechanism) has gone open-circuit...
75 comments posted 16yrs
posted by invalid
75 comments posted 16yrs posted by invalid

Engineering work & feelings

A life according to feelings is good for work: Like fuel keeps a car going, fulfilling the needs of humans keep them fi...
1 comments posted 16yrs
posted by hanneletervola
1 comments posted 16yrs posted by hanneletervola

UPS vs PDU ... 208V vs 230V

I find it odd that while a UPS can operate on both 208V or 230V in and out, there are separate PDUs for 208V and 230V ev...
0 comments posted 16yrs
posted by phil-news-nospam
0 comments posted 16yrs posted by phil-news-nospam

Every week...

I have the nightmare that someone in front of me gets electrocuted by touching a medium voltage overhead wire. I also p...
1 comments posted 16yrs
posted by noone
1 comments posted 16yrs posted by noone

What is the correct term for this type of chart?

What's the correct term to for a conversion chart which has a scales on each side of a straight line? For example: http:...
8 comments posted 16yrs
posted by matt
8 comments posted 16yrs posted by matt

Thevenin'

Thevenin's Theorem states that it is possible to simplify any linear circuit, no matter how complex, to an equivalent c...
0 comments posted 16yrs
posted by samyaksulabh
0 comments posted 16yrs posted by samyaksulabh

Superposition Theorem

Superposition theorem is one of those strokes of genius that takes a complex subject and simplifies it in a way that ma...
4 comments posted 16yrs
posted by samyaksulabh
4 comments posted 16yrs posted by samyaksulabh

Create catenary curves in Autocad

For free download visit: www.catcurve.com --------------= Posted using GrabIt =---------------- ------= Binary Usenet d...
0 comments posted 16yrs
posted by buncobob
0 comments posted 16yrs posted by buncobob

208 volt UPS

A UPS is rated to normally operate on 208V, but can be configured to operate also on 200V, 220V, 230V, and 240V. It com...
11 comments posted 16yrs
posted by phil-news-nospam
11 comments posted 16yrs posted by phil-news-nospam