[RE-wrenches] QO Breakers ok for Back feeding?

[Glenn Burt]

Also 705.12(D)5 in 2011:

(5) Suitable for Backfeed. Circuit breakers, if backfed, shall be suitable
for such operation.

FPN: Circuit breakers that are marked "Line" and "Load" have been evaluated
only in the direction marked. Circuit breakers without "Line" and "Load"
have been evaluated in both directions.

 

705.12(D)4 in 2014:

(4) Suitable for Backfeed. Circuit breakers, if backfed, shall

be suitable for such operation.

Informational Note: Fused disconnects, unless otherwise marked,

are suitable for backfeeding.

 

-Glenn

 

From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
Behalf Of Allen Frishman
Sent: Tuesday, September 16, 2014 5:48 PM
To: re-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] QO Breakers ok for Back feeding?

 

Wrenchers,

One of my associates was asked by an inspector to prove that the QO breaker
is rated for back-feeding.    I seem to remember the code stating that as
long as the breaker does not state that it is only rated for one direction
then it is ok to back feed. 

 

Anyone have a reference to the code or literature from Square D that states
it is ok to back feed?

 

All feedback is appreciated.

Al Frishman
AeonSolar

(917) 699-6641 <tel:%28917%29%20699-6641>  - cell
(888) 460-2867 <tel:%28888%29%20460-2867> 
www.aeonsolar.com <http://www.aeonsolar.com/> 

 

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