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#8229 03/13/02 07:12 AM
Joined: Mar 2001
Posts: 2,056
R
Redsy Offline OP
Member
I heard someone refer to the line and load terminals of a CB as primary side and secondary side?
Is this common terminology?

Joined: May 2001
Posts: 176
W
Member
Redsy
Don't know if it is common or not, but I have used that terminology when discussing lines and loads with Lead Engineers and some contractors.

Joined: Oct 2000
Posts: 2,749
Member
Redsy:

The UL Directory "White Book" includes the following statement under the heading of "LINE - LOAD CONNECTIONS"

"Line and load markings on a circuit breaker are intended to limit connections thereto as marked."

Watch out four for backfed installations, if you need more information from the "White Book" let me know.

[This message has been edited by Joe Tedesco (edited 03-13-2002).]


Joe Tedesco, NEC Consultant
Joined: Dec 2001
Posts: 440
Likes: 3
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Never heard of it relative to breakers. Always hear it relative to transformers.

Regards,
Doc


The Watt Doctor
Altura Cogen
Channelview, TX

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