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#204397 12/07/11 02:41 AM
Joined: Apr 2005
Posts: 200
H
Member
Have an interesting issue here:

Turning on the outside christmas lights (I have alot of them), the 20A breaker for the circuit that some of them are on, buzzes briefly before quieting down. Circuit in question is a dedicated 20A line for this purpose, one of two installed. The other one does not buzz. Perhaps a worn breaker needing replacement soon?


Cliff
Joined: Jul 2004
Posts: 9,662
Likes: 4
G
Member
Put a clamp on it and see what you are pulling. This is probably telling you that you have exceeded the 16a continuous load you are allowed.


Greg Fretwell
Joined: Feb 2002
Posts: 2,233
H
Member
Does the breaker feel warm? That could also be from a lose connection.

Joined: Mar 2004
Posts: 947
T
twh Offline
Member
Some breakers buzz and some transformers and ballasts buzz. Replace them when the annoyance factor makes the cost worthwhile.

Joined: Apr 2005
Posts: 200
H
Member
It's stopped doing it at this point.


Cliff
Joined: Oct 2000
Posts: 2,721
Broom Pusher and
Member
I have heard Buzzing emitted from correctly installed and functioning MCCBs.
Always figured the sound is Generated from the Spring in the Reset Assembly.

Would be nice to know exactly which entity is vibrating, and what factors determine it to be Audible.

-- Scott


Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
Joined: Feb 2002
Posts: 2,233
H
Member
Isn't there usually a lot of buzz around Christmas time?



Sorry for that bad joke! I just had to say it. smile


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