Grounding Flexible gas line

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augie47

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Staff member
Location
Tennessee
Occupation
State Electrical Inspector (Retired)
Welcome to the Forum.
CSST bonding is actually addressed by the Building/Mechanical Code and not the NEC.
It may vary from jurisdiction depending on the Code adopted, but in most cases I see a minimum of #6 from the gas manifold to the building grounding electrode or grounding electrode conductor.

There have been several discussions on the subject previously. If you enter "CSST" in the search box at the top of the Forum, it will display recent threads where this was discussed.
 
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Dennis Alwon

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Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
This is the latest that I have

SECTION G2411 (310)
ELECTRICAL BONDING
G2411.1 (310.1) Pipe and tubing other than CSST. Each
above-ground portion of a gas piping system other than corrugated
stainless steel tubing (CSST), that is likely to becomeenergized
shall be electrically continuous and bonded to an effective
ground-fault current path. Gas piping, other than CSST, shall be
considered to be bondedwhere it is connected to appliances that
are connected to the equipment grounding conductor of the circuit
supplying that appliance.
G2411.1.1 (310.1.1) CSST. Corrugated stainless steel tubing
(CSST) gas piping systems shall be bonded to the electrical
service grounding electrode system at the point where
the gas service enters the building. The bonding jumper
shall be not smaller than 6AWGcopper wire or equivalent.
 

mwm1752

Senior Member
Location
Aspen, Colo
black pipe is solid ( did not mean plastic) -- manufacture instructions say not to attach to csst fittings -- the interesting part of IFGC code is the location, manufacture instructions only says accessible
 
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