gas line bonding

[mr.jake]

Ive been researching this but need some clarity. My shop heater is propane, ran from regulator with black pipe and transitions to gastight csst into the heater. Im unsure how to bond it. My shop is wired in EMT conduit. Can I just run a bond wire from the furnace black pipe to the EMT, is does it have to go all the way to the electrical panel?

 

[Stuff]

You ran into another murky code. That is what inspectors are for.

If your heater has an electric feed you can bond to the "Equipment grounding conductor for the circuit that is likely to energize the piping system"

Otherwise to "Grounding electrode conductor, if of sufficient size" or the "One or more grounding electrodes used"

 

[mr.jake]

Im not sure I follow, the ground wire for the unit appears to be 14g, csst code states 6g minimum for bonding. Would I just bond from the unit to the gas line going to it, or from the gas line to the emt that the wire is run through?

 

[Movover]

Im not sure I follow, the ground wire for the unit appears to be 14g, csst code states 6g minimum for bonding. Would I just bond from the unit to the gas line going to it, or from the gas line to the emt that the wire is run through?

My Inspector required a 6ga back to the box

 

[mr.jake]

Box as in the connection box on furnace or electrical panel box?

 

[Movover]

Box as in the connection box on furnace or electrical panel box?

It had to go back to the the panel where it was attached onto the ground bus

 

[mr.jake]

It seems ridiculous I'd have to run #6 about 100 feet to the panel when it could be connected from the furnace to the emt, which essentially would be doing the same thing. Ive read that it can just be bonded from furnace to the gas line, being as the furnace is grounded back to the panel, but then researching more it seems everyone has their own opinion on this.

 

[Stuff]

Is the line into the heater really CSST or just a flex gas line/connector? Different rules apply.

You need to talk with your inspector. May say appliance grounds pipe so no further bond needed.

 

[mr.jake]

Its yellow gastite csst into the furnace.

 

[toyotadriver]

I grounded mine to the panel with 4gauge copper. Overkill but made me feel good. I brought the propane into the house with black iron to a manifold and then csst from the manifold to wherever it needed to run to.

I don't think you have to bond it if it's just a csst appliance connector. If you're running csst in the walls or crawlspace then it needs to be bonded.

 

[zmaxmotorsports]

Do you have water out there?

 

[Jakkle5]

Bond it back to the panel with the correct csst ground fitting and you wont have to worry about blowing up in a lightning strike.

 

[CNGsaves]

^ ^ This. Whatever the hell you do, follow Grounding/Bonding requirements . . .
. . . TO THE LETTER . . .
as required by the CSST pipe manufacturer. Those are skimpy enough that ANY stress or moisture on the line could be major problem.

Would be good to know your location. What Country are you in ?? UPDATE GJ Profile with a location.

Also assume all this in INSIDE . . . right ?? None of this underground . . right ??

 

[toyotadriver]

^ ^ This. Whatever the hell you do, follow Grounding/Bonding requirements . . .
. . . TO THE LETTER . . .
as required by the CSST pipe manufacturer. Those are skimpy enough that ANY stress or moisture on the line could be major problem.

Would be good to know your location. What Country are you in ?? UPDATE GJ Profile with a location.

Also assume all this in INSIDE . . . right ?? None of this underground . . right ??

Per the OPs post, he is only using a flexible appliance connector. The gas comes into the building and to the heater via black iron.

 

[mr.jake]

Ontario Canada. Correct, It goes propane tank, regulator up is black pipe, from black pipe is csst to furnace. This is in my detached shop, which is why im getting confused as most of what I am reading involves a house appliance. No water lines in the shop. Propane tank is solely for the unit heater operation.

 

[Stuff]

If 6' or less you could change the CSST to an appliance connector to get rid of that issue. Assume there is a sleeve where it goes through the cabinet.

 

[mr.jake]

The total gas line is likely less that 6', the tank is right outside of where the heater is hung in the shop. I still don't understand how running a #6 wire would be any different that using the emt as the bond connector to the panel