02-12-2019, 03:29 PM #16. Unless certified to protect from lightning strikes, CSST systems or CSST included in a piping system shall be bonded in accordance with the manufacturer's installation instructions and CSA B149. I hope to find a knowledgeable contractor to do this work but I want to understand what needs to be done. The jumpers are usually made of thick copper wire. Does anything need to be done to insure that the three runs of CSST meeting at the iron manifold are electrically connected? ICC-ES requires an ongoing inspection of the manufacturing facility to ensure the product continuously meets the listing requirements. You must get up to speed on bonding techniques and inspect and monitor the condition of the bond for future years. In the video below, Mike Holt Enterprises explains precisely what the terminology demands of you: Step-by-step on how to bond gas pipes: The below steps focus primarily on installing and bonding CSST (corrugated stainless steel tubing). This applies to both new and existing systems. Although somewhat flexible, you should avoid putting unnecessary stress on CSST piping, especially from bending, twisting, and stretching. Although every country and justification may differ in terminology and specifics, bonding gas pipes is almost always a mandatory exercise that needs to pass the satisfaction of a qualified electrician. If you smell gas or fumes, leave your home immediately and call emergency services. I have a difficult time with bonding myself. All answers based on unamended National Electrical codes.
FAC: Some gas appliances come with their own gas distribution system known as a 'flexible appliance connector. ' Create as much space as you can between the bond and other metal systems. The requirement is the "system" be bonded, and if there is a physical connection between the hot and cold pipes then the requirement is met.
The bonding conductor must not be smaller than a 6 AWG copper wire or the equivalent size if made of aluminum. Re: gas line bonding. I see it being done on houses all the time. Is the main ground wire part of the ground system that can be used to clamp the gas line bonding wire to? They run a #4 bare copper from the electrical panel ground bar to the incoming gas line. Bonding gas equipment normally relies on smaller conductors used for motors associated with residential gas equipment. Insert bonding clamp.
The Electric Connection's electricians can ground and bond natural gas lines to prevent this type of catastrophic damage. Attach the bonding clamp to the first fitting of the pipe. Trust me I know about and understand all about grounding and bonding of a service. Bonding is a safety technique that protects you, your home or your business, from unexpected and dangerous electrical faults. It would do this to a much smaller extent anyway as electricity seeks all paths. What's more, bond it with a conductor that is exempt from the rules about protection from damage. I know the gas line to a gas furnace or gas stove that is properly grounded is considered bonded. For example around here, the gas line is now (maybe for the past 6 or 7 years) always bonded at the meter with a bonding clamp similar to the type found on the water supply line. Gas pipes are not directly grounded, but they can be bonded. 3 Examination, Identification, Installation, and Use of Equipment. Applying a tight bond is relatively straightforward once you follow the guidelines and regulations relevant to your jurisdiction and the materials you use. Cases have been reported involving CSST systems damaged during lighting storms due to inadequate electrical bonding to ground. I know this is nit picky but if you have to bond the water line to the water heater why not the gas line also?
Contact us for complete details. If you're selling or buying a home, electrical safety is especially important as homeownership changes hands. I would expect that brass plumbing fixtures (shower & tub) would provide a positive connection between hot and cold water pipes, but, again, in my area, the AHJ requires the bonding jumper above the water heater. My point is, whether the CSST is bonded to ground or not... lightning WILL LIKELY find it. Gas line bonding eliminates these risks by bonding your gas line pipes to the grounding electrode system within your home's electrical system. That was a long run-on sentence! This wire is then attached to the grounding network via the busbar box. Around here, any buried gas pipe must be factory-wrapped (I believe the yellow stuff is PVC) to prevent corrosion. 1 – Natural gas and propane installation code. A note on regulations. There are a few things that I don't entirely understand about it. Keep clean: Regularly ensure dust workspace remains clean, especially around the bonding jumper and if on a building site or bonding a pipe behind walls/underneath floorboards. Generally, it would be best to leave at least 25mm so that you can fit the attachments. The following highlights the various steps, hardware and practices needed to successfully bond and inspect the CSST gas piping system.
A HISTORY NOTE: Corrugated stainless steel tubing (CSST) originated in Japan as a solution to damaged gas piping caused by earthquakes. Similar Threads: 01-31-2019, 07:42 PM #2. Requirements for equipotential bonding exist within the BC Electrical code, despite gas piping systems being exempt under specified conditions in the gas code. These do not require bonding. But if in doubt, remember: - A tight seal is essential for establishing a proper gas flow. Because CSST gas pipes can bond inside and outside your home, this gives you a lot of breathing space on where you can put this accessibility point. Threading directly into the gas appliance. The conductor can be installed indoors or outdoors.
Turn off the gas in your home, and examine all fixtures of your appliance and pipes for any breaks, damage, tears, or signs of weakness. The bonding will help achieve an equi-potential state between the CSST and other similarly bonded metallic systems (such as the water piping, structural steel, electrical raceways and coax cable). B) Installation and Use. The resulting electrical surge could create small holes in the piping, which can cause a gas leak that is not easy to notice. I need a bonding clamp and some 6ga copper wire. Place the pipe into the appliance connection, and slide the nut on. Many people wish to replace old piping as part of their maintenance. So long as you maintain a bend radius of 8" or more.
We'll provide reliable gas line bonding services to help mitigate any question of electrical safety during the inspection. First, you must ensure you are working in a safe environment. 1 for ground fault protection. Hopefully as plastic pipe starts replacing metallic pipe even in older residences all the "I've got a better way" crap local jurisdictions come up with regarding this stuff will start to go away.
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