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Thanks dpc. I usually do industrial work, but I have a friend who inherited 2 dissimilar trailers stuck together for a homemade double wide by an old boy who had his own ideas on wiring. After a quick look at section 550, I think I'll go back to the pole and do 100 amps all the way in...

Given a 60 Amp fused disconnect, 6 gauge wire, does code allow for a panel with a 100 Amp main breaker in a trailer house. Where in the NEC is the right answer?

Here is one of the best discussions of a rotary phase converter I've found. http://home.att.net/~waterfront-woods/Articles/phaseconverter.htm My suggestion is: a) buy a motor that is larger than all loads combined and make a rotary phase converter and go. I've seen several installations and...

Regarding busbar's comment about 208/220, I have a vague memory of section 550 prohibiting that feed. My copy of the NEC is at work, but maybe someone else can check it.

One of the more informative and entertaining threads I've seen. Thanks to all. Smaller scale similar problem is the chipper in a sawmill, high shock loads when a chunk of oak or hard maple goes through. We used a slightly oversize SCIM with a Benshaw SS. The chipper itself includes a large...

The Eaton/Cutler-Hammer (usta be Westinghouse) Advantage Starters are supposed to cover this as well. I don't have practical experience yet with how effective they are. Another cheapie option I've seen is using 3 individual relays with the control run series through them. No data on how well...