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Joined: Feb 2005
Posts: 693
L
Member
Reno, let's not forget that sub-panels can mean more efficient distribution of power, as a feeder can have less voltage drop than several branch circuits running the same distance, because of load diversity.


Larry Fine
Fine Electric Co.
fineelectricco.com
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Joined: Jul 2004
Posts: 625
S
Member
I guess my comment about "the guy must be Canadian or something..." was a bit too subtle. I was referring to the fact (as DYNAMITE mentions) that there is no 42-pole rule in Canada, and they have panels that go up to at least 84 poles, and perhaps more. I'm sure our Canadian brothers do work that is very comparable in quality to that done south of the Canadian border.

[This message has been edited by SolarPowered (edited 10-11-2005).]

Joined: Feb 2005
Posts: 693
L
Member
Eh?


Larry Fine
Fine Electric Co.
fineelectricco.com
Joined: Jan 2005
Posts: 5,445
Likes: 3
Cat Servant
Member
As Joe points out in another thread, now is the time to submit proposals for the next NEC edition.
Has anyone suggested eliminating the "42 rule" as arbitrary?

Joined: Oct 2004
Posts: 265
D
Member
Er, eliminate the rule? They should make it less!! Thank god I rarely do residential, but could you imagine a residential box with 84 breakers! What a rats nest of wires that would be.

Joined: Feb 2003
Posts: 288
Y
Member
Using your example, 84 romex circuits would need at least 42 1/2" knockouts- under the best of circumstances, 21 top and 21 bottom.

Not around here! All new residential construction I've seen in this area has all homeruns crammed into a single chase nipple, PVC MA, or clamp connector, usually 2.5"!

Joined: Jan 2005
Posts: 5,445
Likes: 3
Cat Servant
Member
Yatix. apologise...silly me, thinking anyone actually paid attention to the code, listing requirements, or strain relief! :-)

Joined: Feb 2003
Posts: 288
Y
Member
Yatix. apologise...silly me, thinking anyone actually paid attention to the code, listing requirements, or strain relief! :-)

Well, some of us do, but we can't change the world...

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