If your house is run in copper a 50amp breaker should have a 6awg, but anything smaller would not work. I have a townhome built in 2006. Thank you! Parker Hannifin, Corp. (manufacturer of Parflex CSST gas piping) My blog is here for info about home inspections around the Louisville, Kentucky area, and just about anything construction-related. SECTION G2427 (503) VENTING OF APPLIANCES. U.S. Patent 5,799,989, issued September 1, 1998. The 2018 and 2021 IFGC and IRC recognize advances made by CSST manufacturers to produce a more robust, arc-resistant, (black) jacket system that does not require the direct bonding required for traditional (yellow) CSST products. Photo 1 shows a natural gas service entering a building, with a field-assembled manifold for connecting CSST to serve three gas appliances, plus a run of black pipe serving another manifold on the other side of the building. That device completes the circuit and the current returns back to the source (the electric panel) via the white wire. You will not receive a notification when a response to your question has been posted. Since CSST is a custom install cut from long rolls and made on site, there is no store boughttag on the line or ANSI rating on thenuts. Direct Electrical Bonding CSST Gas Pipe. I have bonded several older CSST gas systems. Electrically bonding the CSST will ground the gas line and help prevent damage and subsequent fire risk. 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. I see what you are thinking, and its not a terrible idea. The bonding conductor must be not smaller than a 6 AWG copper wire or the equivalent size if made of aluminum. Read Also >> What Is The Code For Bathroom Fan Venting? ", 2012 International Conference on Lightning Protection (ILCP), Vienna, Austria. Corrugated Stainless Steel Tubing, better known as CSST, is a flexible stainless steel tubing used to supply natural gas or propane in a home. The permanent bonding of non-arc-resistant (yellow) CSST piping systems directly to the grounding electrode system of the structure in which the CSST is installed serves to lower the voltage build-up on the CSST caused by unintentional energizing from outside sources such as lightning strikes. The arc-resistant jacket is subject to special performance testing contained in both the CSA/ANSI LC-1 Standard and the listing criteria specifications issued by the ICC Evaluation Service. Hi Nigel Ive never seen a special bracket installed in a home. The article discusses CSST uses, sources, installation specifications, and safety measures to protect the gas piping from damage by abrasion, puncture, lightning strikes or other hazards. The painted FAC has very pronounced ribs you can see and feel on the tubing. Homeflex CSST Gas Line Tubing. The course will provide CSST installation code basics, including general sizing and installation, with an emphasize on the connection between the fireplace appliance and the CSST system. . 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. 4. $8g ,
The code requirements from latest model codes, 2018 National Fuel Gas Code and 2018 International Fuel Gas Code will be presented. 4 (2012): 1243-1250. Geeky Technical Answer:Bonding is when multiple metalparts of a building thatcouldcarry electricalcurrent (usually wires, or a wire and a metal pipe) are connected together- typically with jumper wires. Does this mean the black stuff doesnt have the same problems as the yellow? The risk of arcing damage to CSST is increased in areas where lightning activity is greatest and where the CSST is not well bonded to a grounding system. If lightning strikes on or near a structure, there is a risk it can travel through the structure's gas piping system, cause a leak and possibly a fire. this is no longer required by the national fuel gas code. Federal Manufactured Home Construction and Safety Standards (ICC/ANSI 2.0), the . Natural Gas and Propane Installation Code (CSA B149.1), the . National Fuel Gas Code (ANSI Z223.1/NFPA 54), the . Only one image can be added per comment but you can post as many comments, and therefore images, as you like. One of the biggest dangers of buildings during earthquakes is gas leaks that occur after the shaking has stopped. Other than the legal aspect. Still, the system is in active use in the U.S. and Canada and continues in use in Japan. 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. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Thanks! CSST has the same style body, but you can barely make this out because of the thickheat-shrink style jacket that is covering the tubing. I would call the maker of your CSST and ask them what they require. See details at FLEXIBLE GAS CONNECTOR INSTALL. 1-9. It is estimated to be used in more than half of the homes built today. The connection point made to the gas distributionsystem should be downstream from the gas meter or propane regulator. U.S. Patent 8,251,085, issued August 28, 2012. Can you tell me what the code is in terms of grounding the gas piping system, if say it uses black iron up until the point of appliance connection and then transitions to an FAC? A separate grounding electrode and grounding system cannot be established just for the fuel gas piping system. Geeky Technical Answer: Modern electrical systems have 3 wires in a simple 120v circuit- like your wall switches or receptacles that you plug things into. Omegaflex, Inc. (manufacturer of TracPipe and CounterStrike CSST gas piping), Omega Flex Incorporated, 451 Creamery Way, Exton, PA 1 Tel: 610.524.7272 Toll Free: 800.355.1039. Top 4 Flex Gas Line Codes (2022 Requirements), Top 5 Flexible Gas Line Manufacturer Requirements, Frequently Asked Questions On Flexible Gas Lines. CORRUGATED STAINLESS STEEL TUBING (CSST) (enacted 02-04-2009) WHEREAS, Corrugated Stainless Steel Tubing ("CSST") is subject to nearby (a.k.a. The most gemeinschaft agile gas line coding is that requirement with flooring and bonding. I grew up with a hammer in my hand, and have been a professional home inspector for 14 years. They want to be able to easily move the range for cleaning. Since CSST has a much thinner wall than traditional black iron gas pipe, it should be protected from damage when outside and above ground. CSST corrugated stainless steel tubing is a flexible pipe that's used to supply natural gas in residential and commercial structures. Just because a home is exempted from current code requirements doesn't mean that the existing flexible gas line installation is safe. These short appliance connectors are usually only 12-72 inches long. If you're already an ICC member Sign In Now. Goodson explained that CSST was generally not a good electrical ground, thus lending importance to the "direct bonding" discussion for this gas piping system. Flexible gas line or CSST is easy to install. 3. When the restoration contractor removed one section of drywall, the smell of gas poured out. Yes there are version of CSST sold for outdoor use. Free shipping. Just know that if you do have a problem, it can becatastrophic. FLEXIBLE APPLIANCE CONNECTOR (FAC) OR CSST GAS LINE. I'm here to help you maintain, inspect, and renovate your home! Missing Kick-Out Flashing Creates Hidden Water Damage in Walls, Manufactured Stone Moisture Intrusion Inspections. DennisCSST is code-approved in Canada - though must be installed by a qualified installer. FACs will come with a data tag hanging on them, unless the installer tears it off. The ICC (International Code Council) released this document a few years ago that is a great overview of how to properly bond CSST in your home. 2009 International Residential Code G2414.5.3, ANSI Z223.1 / NFPA 54 National Fuel Gas Code (2015), SA listed to ANSIZ21.75 /CSA 6.27 standard Connectors for Outdoor Gas Appliances & Manufactured Homes (file #204593), CSA listed to ANSIZ21.24 /CSA 6.10 standard Connectors for Gas Appliances (file #204593). These clamps make a solid connection point to the CSST pipe and have a hole and set screw for the wire. Submitted by Ray Thornburg on Tue, 02/12/2013 - 12:37 Ray Thornburg's blog; Hi Ben, This is the best CSST info site I have found, thanks! Hi, I'm Ben, and I inspect houses. Minnesota's 2015 Fuel Gas Code uses the 2012 International Fuel Gas Code, which requires CSST to be bonded anywhere along the electrical service grounding electrode system. National Standard of Canada, the . This did not prevent the leak I described, as the CSST looped up and was hit by a pneumatically-driven flooring nail Thanks. Bonding a CSST gas distribution system requires cooperation between the installer of the system, the electrician, and the installer of the lightning protection system if the building has one. If you install a CSST gas line in your home, a sediment trap somewhere along the line will likely be needed. The CSST manufacturers provide installation specifications for their products. JoeForgive my griping but this sounds like a possible example of the OPM problem. To the untrained eye, they do look a lot alike. Inspectors should note the presence of this marking when inspecting for compliance with IFGC Section 310.3/IRC Section G2411.3. "Direct Lightning Withstand of Corrugated Stainless Steel Tubing for Gas. If you havent already done so, please go online and become a member of the PMG Official Membership Council. The reason for the development of CSST was to improve the safety of gas line systems in buildings during earthquakes. Flex gas lines or CSST typically have a lifespan of around 30-years. to confirm your email address. Keep reading to learn some of the most important code requirements for flex gas lines and to see the common manufacturer instructions for CSST installations. Ideally, you want to put the bonding clamp in a spot where the wire will be asshort as possible back to the electric panel. Durham, M. O., and R. A. Durham. 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! The wire used to create the bond between your CSST gas line and the electrical system must be a heavy gauge 6-AWG copper minimum size. As the documented history of these incidents developed, tests were conducted which proved that lightning could damage CSST gas piping, and which suggested a way to reduce the possibility of lightning damage. Youll have the opportunity to discuss issues that you face as a community, and how ICC might best serve you. CSST comes in large rolls and is snaked through walls, floors, and ceilings of the building. "Preassembled fitting for use with corrugated tubing." Always verify the flexible gas line code with your local state or city and with the manufacturer. Kraft, Brian, and Robert Torbin. Joe said this was the unofficial- official rule. There have been house fires blamed on faulty CSST installation without this bonding. Yellow is the universal color for anything gas-related in a home. 1.2 CSST: A New Concept in Gas Piping . The manufacturer's reply was essentially that the CSST needed to be kept 3" away from finished surfaces or protected by nail plates if also within 5" of some constraint (like a penetration through a framing member). Flex corrugated gas lines have been involved in a number of lawsuits over the years. The bonding conductor must be no longer than 75 feet (22,860 mm). CSST must be installed by a qualified professional and in accordance with the Manufacturer's Design and Installation (D&I) Guide, including bonding and grounding of the system. . It is kicked back, watching Netflix, waiting to be called into action. CSST x 25 ft. KAERMO CSST Gas Line, 1/2 ''100FT Flexible Gas Line, Natural Gas Line with 2 Male Adapter Fittings, Corrugated Stainless Steel Tubing, Propane Grill Conversion Kit. CSST is flexible steel piping used in place of rigid, black steel pipe . Stringfellow, Michael F. "Causes of residential lightning fires: Electrical arcs are at the root." CSSTis a flexible gas line material that has been used in millions of homes across the United States and the world. If you have an older home with CSST, it is important to verify that the electrical bonding and grounding exists and is working properly. The photo, from a Generac generator manual provided in our articles on that topic, shows a prohibited flexible connector (that example isn't CSST) at a generator.. We have not found "CSST" mentioned at all in the backup electrical generator installation manuals that we reviewed. "Underground piping system." During everyday life, the ground wire isnt doing anything. Seems to make good sense. The IRC has two tables to determine pipe size in Chapter 24 for flexible gas lines. It is used frequently in construction in lieu of black iron pipe today, which is the traditional material used for gas distribution (both natural gas and propane). The reason for the development of CSST was to improve the safety of gas line systems in buildings during earthquakes. U.S. Patent Application 12/971,802, filed December 17, 2010. Its when things go wrong the ground wire steps up and become the hero. The CodesNotes collection has recently been expanded to include a selection of notes offered in Spanish. Bottom line: CSST flexible gas piping is indeed sold in versions that are rated for outdoor use. vsantos (Vince Santos, Reg104669Cc . -Nigel. However, newer CSST (usually black jacketed, not yellow) has an arc-resistant jacket that is already considered bonded when installed to a grounded appliance such as a furnace. Let's get to it! One would think that excluding concerns for corrosion, similar worries apply to (and generally prohibit the use of) flexible copper tubing when used for gas piping: it is not routed within building cavities. (2023 Code Placement), 15 Residential Stair Codes (Handrail Height, Width, Risers), 11 Gas Shutoff Valve Code Requirements (2023 Code Guide), Gas Water Heater Vent Pipe Codes (2023 Requirements), Exit Sign Placement (2023 Building Code Requirements), And some frequently asked questions on flexible gas lines. Albino, Mark. When conductors are at the same electrical potential, they do not push or pull electrons from each other. You are in the right spot! What size wire should be used when bonding CSST?
The conductor must be attached to the piping system using a listed bonding clamp in accordance with UL 467. Home Building Code Flex Gas Line Id. 4.6 out of 5 stars 21. As the U.S. Census Bureau and U.S. HUD February 2015 New Construction Data news release reports a seasonally adjusted annual rate of new construction in the U.S. of about one million homes, that suggests that half of all new homes are being built with CSST gas piping. I read through the 2017 NEC, specifically focusing on 250.104; however, I could not figure out a clear answer. To the untrained eye, they do look a lot alike. I would check the manufacturer and see if they offer anything. Corrugated Stainless Steel Tubing at the best online prices at eBay! Flexible appliance connectors also have a corrugated pipe except that the corrugation is visible and there is no plastic sheathing. Here is one for sale at Home Depot for a few bucks. Flexible Gas Line Code (2023 CSST Requirements) Arie Carrier Tuijl | Licensed Place Inspector . GAS PIPING, FLEXIBLE CSST at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. You also need to make sure the clamp is not placed on the actual CSST tubing itself like the photo below. Look for corrugated stainless steel tubing (CSST) used as gas piping in buildings constructed in the U.S. or Canada after 1990 and also look for it in older buildings where gas piping was newly installed or modified since 1990. SECTION 413 (IFGC) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES. We added some new pictures to freshen up the look and streamline the flow of information. It seems like manufacturers don't require it to be secured or strapped very much at all. If this event takes place close enough to your house, it can enter the structure via any available path. They are similar in the fact that both are made from flexible stainless steel, and both are typically yellow in color. You dont want the current to have to ride 3 miles of wire before it reaches the bonding point at the panel. Its $8 people. hbbd``b`$CC`$X VHD'fx0u,
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