Humming breaker

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  #1  
Old 11-02-05, 02:40 PM
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Question Humming breaker

Hi all,

In my garage redo, I put in a light circuit that runs to seven outlets that eight fluorescent fixtures (1 A each fixture) plug into. Theis breaker is in a subpanel located in the garage.

They are controlled by three separate switches:

1. Three-way switch controls 1 outlet above the workbench (2 fixtures).

2. A single-pole 15 A switch controls four outlets (four fixtures).

3. A final SP 15A switch controls two outlets (two fixtures).

The breaker hums when I switch #2 on. It hums louder as I turn on the others.

I was testing and even took 1 & 3 off the circuit. When I switched #2 on, it still hummed, just not as loud. I also tried using a new breaker and moving the breaker to a different spot in the box. Same humming existed.

I know that the lights themselves hum, but the hum definitely comes from this breaker. It's not overloaded, as it is a 20 A circuit with only 8 A going through it.

Any ideas of what's goin on and how I can remedy the situation?

Thanks!
 
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Old 11-02-05, 07:02 PM
J
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First, make sure you have the exact make and model breaker as specified for this panel. Then make sure it is fully seated. Then make sure your connections to it, and to the neutral bar, are very tight.
 
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