>

> We are protecting against a defective fuse such as Paul had or a direct

> short in one of the lines that has blown a good fuse. The other line will

> continue to operate the EC2 if you have diodes to prevent a backfeed. Of

> course you wish to separate the wires to prevent the burning one from

> destroying the 2nd one.

>

> Bernie

>

If one line is shorted and they are tied together in the box, then both

lines - fuses or breakers - will see the short fault and trip.

 

Wendell

 

Wendell;

 

That’s what the isolation diodes prevent; except for the case where the short is inside the box.

 

Al