We are getting wrote up for hooking up lightning arresters wrong. The engineer wants the bottom to go to the pole ground. All 3 straight to pole ground. The old way was to hook 3 together, than take each one to the system neutral. What are your thoughts. Thank you, Bob
We are upgrading a old service, OH to URD. New service is 2 phase 14.4 in a fiberglass transcloser. Primary URD is in 2 pipes,schedule 80 pvc. Transformers are on a concrete pad, 6" with rebar. Will we have trouble with eddy currents, because of the rebar in the concrete? Thank you, Bob
Temp. connection. 2 hot line clamps on #6 copper wire. One clamp on the floating high side, other clamp on the copper for the tank grounds. Thank you, Bob
Meterman and ape. changed a 480 volt meter at a water well. It is a 3 Ø 240/480 center grounded delta on the low side. High side is 14,400. Lineman grounded the high side before opening the cutouts. My question is when they closed the fuses in, they closed the 2 outside fuses in first. The...
Question was, why did the indicators not work. When they disconnected the regulator the OCR stayed in. That makes it a bad regulator. I did find out why they did not work.I will answer nice storys questions, no ,yes, we did not know the fault current at the time of the outage. After getting with...
We had a bad regulator on a primary line. Voltage is 7.2, the fault indicators did not work. The indicators are Linam 100 amp trip, made by Chance. The lineman put the indicators on both sides of the regulator, showed white. Disconnected regulator, tried the OCR, and it closed right in and held...
When I went back they had the transformers changed out. The transformers they took down, I could not find. On the dock, with other transformers. Thank you for all the help. Bob