If you have wireway attached to your main switch and you are using bonding bushings on your primary feed side, how do you size up the bond wire for the wireway and for the bonding bushings. Feed side is 1200 amp with 5 sets of 4- 600 mcm for voltage drop. my inspector was saying that you have to go by 12% of the largest wire.
Bonding
- Thread starter Big Guns
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- New Jersey
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- Journeyman Electrician
He was close, it's 12.5%. Look at 250.102(C).
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