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If you can, ($) go to a closed transition star delta open transition just causes to much greif scrammode

You could easily install a buck - boost transformer for less than 150.00 from grainger or a local electrical supply house. NYBTG

What is your insulation like is the room conditioned or uncontioned first floor south facing? New York Building Technology Group

If the four legged bovines are on concrete then check NEC 547.10

what ever you do. you need to tie your new grounding system to your existing system yu do not want any stray voltages wondering around. Look into a whole house TVSS they work great Mine covers AC power, cable tv and old school phone ( now with VOIP oh well)

This is usually for a commercial application were the Fire Marshall is asking for a fan cut off switch when the line voltage smokes go off. You should be able to pick up a UL Listed fan cut off relay or switch depending on who you are talking to. Its straight forward to install.

A Dessicant dryer or a refrigerated air dryer rated to system pressure might help. Or look into gauge isolaters

As an electrical inspector, Wareagle is correct. What inspectors usually ask for is GFCI protection on bathrooms and outdoor receptacles and the kitchen circuts, also GFCI protection on the old Two wire plugs (the ones with out the ground plug)and Smoke and Co Detectors, Basically anything that...

sorry folks bad typing I ment 12 awg conductors and 20 amp circuits

I also had the same problem with a 200 hp air compressor. Did a lot of homework. The manufacture blew me off. They claim never to have had a star delta transition tripping problem as long as the appropriate CB is used, ie;one with a high enough RMS trip value, or no rms just thermal trip. I...

that shoud be directed to the local power company. dont they own the pole? Scramode

try the IAEI International association of Electrical Inspectors web site or call them Scramode

Just check with local law some counties do not allow aluminun on the load side of metering Scramode

Macgiver2000 roygbiv is the colors of the rainbow scramode

Yes This is a little more politically correct Bad Boze Rots Our Young Gut But Vodca Goes Well Scramode

I am not familiar with the term earth fault. Is that a ground fault circuit interupter (GFCI) circut breaker?

You refer to NFPA 79 But electrical code is NFPA Article 70NEC says that if it is a cord and plug connected device ie: a single recptacle and the motor has a plug then the min awg is 20 in a commerical dwelling, if resifential its 15 awg. if the equipment is part of loarger machinary like...

You said you measured voltage at the generator. was this with motors at full load? what is the conductor size of the cables exiting the gereator going to the transfer switch ? I am thinking maybe voltage drop. www.SBEI.US

Do you have access to a FLIR Camera?

yes dpc is correct it is clear from the original question