Practice #4 –Proper grounding and bonding techniques, such as multiple conductors or voltage limiters, are required at all discontinuities within the GIS. This includes SF6 gas-to-air connections, SF6 gas-to-cable connections, SF6 gas-to-oil connections, and where GIB exits the building. ...
Explaining difference between bonding, grounding and earthing, micro difference, illegal practice of interchange purpose of grounding
Smaller, less expensive copper wire is allowed for servicesbetween 100 and 175 amps. Check with your electrical inspector if you want to use wire smaller than #4. Determine the amperage rating Step #2 Run the bonding wire from a point near your water heater (a convenient spot if you have...
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Questions and answers QUESTION #1– I have overcurrent protection. Do I need additional ground fault protection? The overcurrent protection will act to interrupt a circuit for currents for which it was designed and set to operate. However, some ground faults, particularly low-level arcing faults,...