240.6 (B) and (C)

[texie]

Does this Eaton adjustable breaker meet 240.6? The issue here is the contractor only ran 4/500 CU which is only good for 1520 amps. Can set breaker to 1500 but does this breaker meet the requirements of 240.6(B) and(C)?

 

[jim dungar]

Yes, the adjustments are behind a cover/door that is capable of being sealed thus preventing changing them or at least providing indication they may have been tampered with.

 

[texie]

Yes, the adjustments are behind a cover/door that is capable of being sealed thus preventing changing them or at least providing indication they may have been tampered with.

Do you mean just the enclosure door That pretty much anyone can open? Can just putting a padlock on the enclosure door and calling it accessible by only qualified persons meet 240.6 (B) and (C)?

 

[infinity]

There should be a clear cover over the setting dials that can be sealed shut. That's all that's required.

 

[texie]

There should be a clear cover over the setting dials that can be sealed shut. That's all that's required.

But could simply locking the enclosure door be compliant?

 

[jim dungar]

Do you mean just the enclosure door That pretty much anyone can open? Can just putting a padlock on the enclosure door and calling it accessible by only qualified persons meet 240.6 (B) and (C)?

I mean the clear plastic cover on the breaker, like infinity said, which has built in provisions for a sealing wire. The NEC requires the provisions, however it does not require them to be used.

Locking a room door or an overall panel board door does not generally prevent access per most NEC requirements.