What Cause Hum from Electric Oven after Replacing Wire and Ring Connector to Broil Element?
After the wire melted at the connector to the broil element, I replaced the 16 gauge wire and 22-18 high-temperature ring connector with 14 gauge wire and a 16-14 high-temperature ring connector. Now there is a low-volume hum from the oven when the broiler is on, no hum in bake mode. The broiler works and the wire and connectors appear OK.
What causes the hum? How do I fix it? Is it safe to use the broiler while it hums?
The oven is the one in:
Wire Melts at Connector to Broil Element on Electric Oven