Thanks for the helpful advice. The problem has been located and repaired. It ended up being a bad transformer in the series loop.A note of interest, the area around this fialed transformer got so hot that it turned a basketball sized area of snad and gravel around it to a solid chunk of...
I have a runway lighting circuit that is currently inop.
It is powered by a 10kw 6.6a constant current power supply,which tests o.k.I have tested both output wires to ground and do have a high resistance path. I also have tested across the output wires at the CCR and have a very high restance...