SparkyJunior,
This has been a problem for several technicians I have worked with. Breaking the seal every time a pump has to be pulled has typically resulted in the seal fittings not being properly installed. What we have changed over to is the following:
Route conduits from the wet well to...
We are in the 6th year of a multi-year project to upgrade our 5kV DHP breakers. Some of the things we have run across include the following:
Check the snubber adjustment to have the replacement breaker fit correctly in the existing cubicle.
Test the control wiring on each breaker for trip and...