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Joined: Feb 2005
Posts: 12,354 Likes: 4
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Joined: Feb 2005
Posts: 12,354 Likes: 4 |
Originally posted by John Osvatic:
I was told that if you measure the circumference of a solid number six ground wire and then do the same with each individual strand of a stranded number six you will get a larger over all circumference plus in addition to the flexability of stranded.
PS: I did have a situation where my crew had to change out numerious solid ground wires to stranded per the inspector. If any of that were true the current carrying capacity of the cable or wire would be increased for stranded. Also, how would you explain a six strand vs a 18 vs a 30? Fact is the cross section is made to be the same regardless of whether the wire is solid or stranded. Plenty of ignorant sparkies out there though and that's probably where your story came from. And the inspector was an idiot for the same reason. -Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Dec 2005
Posts: 7,056
RIP Moderator-Mitel, Panasonic
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RIP Moderator-Mitel, Panasonic
Joined: Dec 2005
Posts: 7,056 |
There is 1 valid reason for using stranded rather than solid 6ga. IT'S A LOT EASIER TO PLACE! You don't need a mallet to make stranded conform to the variations in surface flatness!
When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
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Joined: Jan 2005
Posts: 15,397 Likes: 18
Moderator-Vertical, Vodavi, 1A2, Outside Wire
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
Joined: Jan 2005
Posts: 15,397 Likes: 18 |
If any of that were true the current carrying capacity of the cable or wire would be increased for stranded. Also, how would you explain a six strand vs a 18 vs a 30? Fact is the cross section is made to be the same regardless of whether the wire is solid or stranded. Plenty of ignorant sparkies out there though and that's probably where your story came from. And the inspector was an idiot for the same reason.
-Hal Hal, I'm wondering if the inspector was basing his demand upon the fact that the NEC requires anything larger than #8 to be stranded for building wiring. Frankly, I base all of my practices in the telecommunications business on Bell System Standards. All they ever used for premise grounding conductors was solid copper. With the exception of FiOS installations, Verizon appears to be holding true to the BSP for everything else.
Ed Vaughn, MBSWWYPBX
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Joined: Feb 2005
Posts: 12,354 Likes: 4
Member
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Member
Joined: Feb 2005
Posts: 12,354 Likes: 4 |
Hal, I'm wondering if the inspector was basing his demand upon the fact that the NEC requires anything larger than #8 to be stranded for building wiring.
Maybe. We do have #6 solid, bare or with a telephone gray PVC jacket and they don't.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Mar 2002
Posts: 3,630
Moderator-Avaya, Nortel
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Moderator-Avaya, Nortel
Joined: Mar 2002
Posts: 3,630 |
I think their request for braided was based solely on two things... Looks and Looks.. these guys care more about it looking pretty than it working right. It is one of those dog and pony locations. The braided wire was just the start..don't get me going on their patch cord requirements.....
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