As I understand this issue, it is a requirement for the installation of the CSST product and not a electric code requirement. My experience with my local jurisdictions has been that they don't know what to do with this, because it is a manufacturers specification and should fall under the inspection of the gas line installation and not the electrician since requirements can vary by each manufacturer. My fear of liability puts me in the position of not doing anything to the CSST system until I receive specifications in writing for each project requiring me to bond to it.

In my previous comment I stated grounded, when it should be, the csst needs to bonded to the electrical system.

According to Army Technical Manual 5-690 a stainless steel hose clamp makes for an excellent grounding and bonding connector when nothing else is available or where a conventional grounding connector would crush or perforate a waveguide, coaxial cable, or just about any kind of tubing.

An instance where this would be useful would be when bonding a thinwall chrome plated sink trap and the water shutoff valves to each other and the local branch circuit to get rid of a tingle voltage. David Eli Shapiro one time encountered an instance where electricity was crawling up the moisture inside of a plastic drain pipe creating a nasty tingle voltage in a shower. How this can happen is that I have done some consulting for a mobile home park that has grass and tree roots that are penetrating the o-ring joints of gasketed PVC sewer pipe. Sooner or later sanitary engineers will have to specify that o-ring joints be wrapped with copper foil or some other deterrent to plant roots.

Now I am realizing that electricians be trained to do plumbing in general not only to be good at running pipe in general and conduit in particular but also to understand what somebody else's problems and issues are. In return, we also need to be training plumbers how to use pipe benders which would solve some of their problems.

Washington electrical rules that will be effective Dec 31, 2008 will require bonding of CSST. I recall from Mikes GVB video that Scott Harding brought up the issue of CSST bonding and the CMP didn't want to address it. Washington says bond per manufacturers requirements.