All I can find online is good thing about them, any disadvantages from your experience?
- how long do they last in outdoor condition? UV resistant? water resistant?
- did you ever have to replace them?
- how toxic do they burn under fire?
- are they better for larger transformers or smaller?
New transformer usually go through soak test (as in no load) for a couple of hours before load is introduced. The tests that I have seen are energized from HV, leaving downstream LV switch open (of course, both HV and LV winding will be energized).
Recently there is a proposal from a...
