Explore all the benefits that ICC Membership has to offer, Buildings, Construction, Architecture/Design, Plumbing, Mechanical, Fuel Gas, Pools/Spas, Disaster Preparedness, Mitigation, Resiliency, Bonding of Corrugated Stainless Steel Tubing (CSST) Gas Piping Systems. Would appreciate some clarity on CSST bonding- a number of the posts I have read are confusing to me anyway. Free shipping. We bond the CSST to the ground bus in the electric panel and hope for the best. Please change your password. I have not seen gas piping installed in this method. U.S. Patent Application 12/064,539, filed August 22, 2006. So. The CSST manufacturers provide installation specifications for their products. When conductors are at the same electrical potential, they do not push or pull electrons from each other. CSST is short forCorrugated Stainless Steel Tubing. Most FACs are painted yellow from the factory. Though this has always been a manufacturers requirement; the IRC code specifies this bonding requirement for all types of CSST since at leat 2009. Power is delivered through the hot wire to whatever is plugged into that receptacle. Free shipping for many products! Existing steel or copper piping systems must be retroactively bonded when modified by adding yellow (non-arc-resistant) CSST to the system regardless of the length of CSST added. NOW THAT YOU CAN SPOT THE DIFFERENCE BETWEEN CSST AND GAS APPLIANCE CONNECTORS LIKE A PRO, LETS TALK ABOUT THE ELECTRICAL GROUNDING & BONDING OF THESE GAS SYSTEMS. In 2014 the U.S. EIA reported that 27% of all U.S. homes were supplied with natural gas and less than 1% with other gases. However, it's not nearly as durable as a black iron pipe. TracPipeCounterStrikehas been shown to be up to 400 times more resistant to the damaging effects of electrical energy than conventional CSST. Protective plates need to be installed to protect flex gas lines from punctures. Per client, the home was filed as a mother daughter home but does not have approval (C of O) for gas range installation. Website: www.parker.com, Pro-Flex, LLC (manufacturer of ProFlex CSST Flexible Gas Piping) on the brass fitting connecting each run of CSST to a manifold. These supports basically hold the flex gas line in place and help prevent unwanted movement of the gas line. The single-layer black jacket is designed to absorb arcing energy caused by a lightning strike preventing perforation of the tubing wall. FREE delivery Thu, Apr 20 . "Secondary contained csst pipe and fitting assembly." The authors demonstrated that lightning-related electrical arcing damage risk to CSST would be reduced by direct-bonding of the gas piping system to the building's electrical ground system: the level of the electrical charge from an indirect lightning strike was reduced (in their study) from 97% of the charge down to 20% by direct electrical bonding to the building's electrical ground system. The bonding clamp must be accessible and can be located outdoors or indoors. FACs will come with a data tag hanging on them, unless the installer tears it off. Albino, Mark. Both arc-resistant jacket systems provide equal protection along the entire length of the piping system, and the extra bonding described in this CodeNotes is not required. There are just too many things that can happen when you deal with high voltage. Ive not heard of any failures from the black stuff, but its still early. If they call for it, more than likely they will sell it. Kinchoix 35ft CSST Gas Line 3/4'' Gas Line Flex CSST Gas Pipe Kit with 2 Male Fittings Anti-Cracking Used for Stove Dryer Heater NG Appliance Propane Equipment Corrugated Stainless Steel Tubing. All FACs are made under the ANSI Z21.24 standards and this code will be stamped into the head of the nut as well. This edition of CodeNotes Bonding of Corrugated Stainless Steel Tubing (CSST) Gas Piping Systems reflects the new 2021 editions of the International Fuel Gas Code and the International Residential Code. Where the clamp is attached to rigid pipe, the pipe surface must be clean and free of paint and coatings to enable a metal-to-metal connection. If the jacket around the black CSST is the arc-resistant part of the assembly, and your plumber cuts it all away, oh, well, you dont exactly have an arc-resistant CSST run anymore. Many U.S. states and foreign countries use the IRC for their building code, sometimes with matching language. Albino, Mark, and Edwin E. Pike. The painted FAC has very pronounced ribs you can see and feel on the tubing. I think it is the black csst, May have a continuous ground, through the length of the pipe. SECTION G2423 (413) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES. This black jacket has energy dissipating properties that will help protect the TracPipeCounterStrikestainless steel pressure liner as well as other fuel gas system components if the TracPipeCounterStrikebecomes energized due to lightning. The International Residential Code doesn't specify the wire to be used for bonding, but it ismost commonly a #6 AWG copper conductor and installed where the solid gas pipe gas line first comes into the home. When certain conditionsof an electrical storm are present around/in the home, the CSST can fail, create a gas leak, and start a fire. If something goes wrong in the circuit, the ground wire is there to send the rogue currentback to the source. This is because of the greatly reduced installation labor compared to using conventional black pipe with threaded fittings. Presumably, it has leaked since the building was constructed (10 years ago), and been a hazard the entire time. U.S. Patent 6,695,353, issued February 24, 2004. SECTION G2425 (501) GENERAL. We have sent an email to the address you provided. . Any "gas" smell people might have noticed was probably masked by the smell of the garage, because the leak was in the ceiling above the garage. Most of the CSST runs are 1/2, 3/4 and even up to 1. On 2022-11-18 Throughout this post, Ill explain how to verify if you have CSST in your home, what bonding means from a technicalstandpoint, and how the bonding should be installed. "Underground piping system." 4. arrow_right. Direct Electrical Bonding CSST Gas Pipe. When CSST piping is installed underground outside of the building, the portion of CSST which approaches the building, by necessity, becomes above ground and is exposed. Jul 20, 2012. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hey Ben, in the bonding section you refer the bonding clamp and say a UL rated bonding clamp must be used and then you refer to United Laboratories. We hope you enjoy this newest edition of CodeNotes. Please bookmark this page to make it easy for you to check back for our response. Instead in those situations it's common to use steel piping for such gas lines. If you are concerned with your install I would have an electrician check the bonding of the system to make sure things are done correctly. Just know that if you do have a problem, it can becatastrophic. 'm not sure what the codes say about that. The early reports were not always considered credible, even though firefighters recognized the breaks in the system and the burning gas. FLEXIBLE APPLIANCE CONNECTOR (FAC) OR CSST GAS LINE. connect a 90 joint to Corrugated Stainless Steel Tubing (CSST), drop it through the hole drilled in the header and fish it through the hole in the exterior wall. No product, including the improved TracPipeCounterStrikeis immune to the damage caused by a direct lightning strike. Please click the link in the email 2. meets code. Several years ago, it passed black steel pipe in quantity installed per year. What Is The Code For Dryer Vent Installations? Flexible Gas Line Code (2023 CSST Requirements) Arie Carrier Tuijl | Licensed Place Inspector . Otherwise if later she has a complaint or wants something fixed the electrician may well say "well you were not my customer, too bag, bug off. I have an inspector saying they all have to be,thanks. Flexible appliance connectors also have a corrugated pipe except that the corrugation is visible and there is no plastic sheathing. Your email address will not be published. One of two tables in the International Residential Code that governs pipe size for CSST. How many homes have CSST installed? Where is the bonding connection made on CSST? Can csst be used outside. I have bonded several older CSST gas systems. If such a thing exists, I will also need to know the max length allowable in Arizona. Mark I don't know what that is. Corrugated Stainless Steel Tubing. Your article is very comprehensive and thorough. On 2021-10-05 What Is The Code For Water Heater Installations? Your account has been marked for password reset. I've seen it snaked all over the place without support -- and here is a story of one consequence (quoting from an email to a manufacturer): Email sent to ProFlex Technical Assistance. The 1999 NEC Handbook Section 250-104 (b) says that it should be bonded to the grounding electrode system. Over the years I have inspected so many homes with flexible gas lines,also known as CSST. In Japan the system has a decade more experience. My OPINION is that for such items an allowance, rathe rather than doing the work, is a better deal for both buyer and seller.For the seller, you avoid getting dragged into an abyss of unknown hassle and expanding costs.For the buyer, she can be certain that the work is both done properly AND that the work was performed by someone who is accountable to her. The conductor must be attached to the piping system using a listed bonding clamp in accordance with UL 467. "Fitting for use with corrugated tubing." FLEXIBLE APPLIANCE CONNECTORS WERE ONCE MADE FROM UNCOATED BRASS AS YOU SEE IN THE IMAGE BELOW. Find many great new & used options and get the best deals for CSST Corrugated Stainless Steel Tubing 70 Ft 3/4" Flexible Natural Gas Line P. at the best online prices at eBay! * Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will . Since the CSST gas line has such a thin metal wall (0.3 mm thick) it is important to protect the gas line from nail punctures. Residential Construction, - retrieved 14 April 2015, original source: http://www.rogerscounty.org/planning/zoning%5CAH.pdf -. Copyright Home Inspector Secrets 2023 Free shipping. These clamps make a solid connection point to the CSST pipe and have a hole and set screw for the wire. The gas supply is on the east end and the electric panel is on the west end. PLEASE SEE this Q&A and our detailed reply now at what is the best practice for fixing a punctured CSST line? 99. You can NOT use CSST to connect directly to a portable generator - there is too much movement and vibration. Read Also >> What Is The Code For Toilet Clearances? It is snaked through the building as part of the distribution system and the runs are cut and put together on the job site. 3. doens't look horrible. The connection point made to the gas distributionsystem should be downstream from the gas meter or propane regulator. If you have black CSST in your home, and the jacket has been removed more than 2 in, I encourage you to reach out to TrackPipe for detailed instructions on correcting this installation. indirect) lightning strikes causing electrical arching which can rupture CSST products leading to property damage and potential injuries or death; 2. Stringfellow, Michael F. "Causes of residential lightning fires: Electrical arcs are at the root." This did not prevent the leak I described, as the CSST looped up and was hit by a pneumatically-driven flooring nail Mau, Andrew E. "Self-flaring, split bushing pipe fitting and hose assemblies employing same." this is no longer required by the national fuel gas code. I wonder if you would do an article on it? Above you can see the traditional change from flexible copper tubing to steel piping when the gas piping system had to penetrate the building wall. THEY ARE EASY TO SPOT AS THEY ARE A DULL GOLD COLOR. Standard on Manufactured Housing (NFPA 501), the . This movement of electrons cancause arcing between the building materials that can carry electrical current. If the plumber strips the jacket back more than 2 inches from the fitting, TracPipe requires the installation to be wrapped in self-bonding silicone tapeandhave the additional bonding like the old yellow CSST. Such lightning-related electrical arcing can weaken or even perforate the gas piping leading to dangerous gas leaks. The only caveat to this is if the black jacket of the CSST is stripped back more than2 inchesfrom the fitting. Stringfellow (2013) continued to report on electrically-induced gas distribution piping. Painted FAC has very pronounced ribs you can not use CSST to connect directly to portable! 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Bookmark this page to make it easy for you to check back for our response manufacturers provide installation for. Conductor must be attached to the source the 1999 NEC Handbook section 250-104 b... Conventional black pipe with threaded fittings edition of CodeNotes the damaging effects of electrical energy than conventional CSST Requirements! Csst products leading to property damage and potential injuries or death ;.... Been shown to be, thanks be installed to protect flex gas...., through the length of the CSST is stripped back more than2 inchesfrom the fitting seen gas installed! Retrieved 14 April 2015, original source: http: //www.rogerscounty.org/planning/zoning % 5CAH.pdf - under the ANSI standards!