Ask The Experts

img
Why use a bare conductor for below ground grounding instead of an insulated conductor?
When is it necessary to put a disconnect switch in a residence with a 100, 200 amps, and where do you ground it to?
When did the NEC Decide the Neutral and Ground Have to be Separated at the Panel?
What is the mathematical formula for calculating the resistance-to-ground of parallel electrodes?
How many ”hot” wires can a single neutral support? (assuming they are the same gauge wire)
How to get a grounding rod below 1ohm ground resistance?
How we can reduce the voltage between the Neutral and Ground without using an Isolation Transformer?
Are GFCI's required on refrigerators?
Applying salt around earthing electrodes to help resolve neutral to ground line voltage issues
Why bond the neutral and the ground wire in the main panel?
How do I ground a metal building or metal warehouse with metal frame sidings for proper inspection?
Can all steel rebar be welded?