Bonding of metal air ducts required?
Bonding of metal air ducts required?
(OP)
NEC 250-104 & -110 seems to describe parameters around HVAC duct bonding but doesn't actually spit it out. Is it really required?
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Bonding of metal air ducts required?
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RE: Bonding of metal air ducts required?
RE: Bonding of metal air ducts required?
RE: Bonding of metal air ducts required?
Normally for commercial sort of HVAC Ducts, there is no bonding done.
RE: Bonding of metal air ducts required?