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3 phase Delta 1

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nyquist456

Electrical
Nov 17, 2006
2
What is the advantage of not carrrying a ground on a 3 phase delta system. Aren't you setting your self up for Ground loops. Thanks.
 
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Are you asking what is the advantage of a 3-phase delta ungrounded system over a grounded wye system? Or are you asking if you can wire a 3-phase delta system without an equipment ground wire?
 
My Question is why you see many 3 phase deltal systems feeding panels without carrying a ground and what is the advantage of that. Thank you
 
Every installation should have an equipment ground. In some older installations, the conduit run serves as the ground. Most electricians will run a ground wire even when the code permits the conduit to serve as the ground return. Obviously, the only advantage would be the savings in wire.
 
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