Many people wish to replace old piping as part of their maintenance. Not a position substantiated by any research I've done or the millions of installations across the country (there are no successful class action lawsuits against CSST), but it does conveniently relieve Home Inspectors in Maryland from any liability. Jim I will reach out tomorrow. All applicable CSST bonding requirements must be met unless the piping material is certified for lightning strike protection. What is the proper way to bond such a mixture of CSST and iron pipe? Gas Line Grounding Services in Columbus,Ohio. Not full text below. This wire is then attached to the grounding network via the busbar box. Been there, seen that. Gas pipes should have a bend radius of 8" or more, which helps reduce potential arcs from jumping to other conductive surfaces, improving the bond's effectiveness. In addition to the manufacturer's installation instructions, clause 4.
The bonding of corrugated stainless steel tubing (CSST) piping system to the grounding electrode system of the structure in which the CSST is installed will lower the voltage build-up on the CSST caused by unintentional energizing from outside sources such as power surges and lightning strikes. In reality the Grounding electrode is basically for surges and lightning strikes. Reference Number: IB-GA 2017-04.
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. 06-25-2019, 01:39 PM #31. In this article, we're going to examine how exactly you can bond a gas pipe. NB: Some gas appliances have a FAC, a flexible appliance connecter. The Electric Connection offers grounding and bonding for natural gas lines for residential and commercial properties. Bonding gas line to ground - Electrical Inspections. Ensure all surfaces, including the pipe's interior and exterior, are clean and free of chemical agents. However, there is one effective preventative measure that not all homes have taken advantage of yet to reduce their risk of a gas leak, electrical shock, or house fire: gas line bonding. The corrugated stainless steel tubing must never be used as a point of attachment of the bonding clamp.
You should always consult an expert's second opinion and ensure bonds follow accordance with the law. Their licensed and bonded electricians are able to complete this service quickly so that home and business owners can have the peace of mind that comes from knowing their properties are safe. Reduced risk of penetration of the CSST, and leakage which will follow. What is gas line bonding. Is the main ground wire part of the ground system that can be used to clamp the gas line bonding wire to? To belabor what's probably obvious, when we're talking conductor sizes, 250. We'll also cite relevant regulations that keep you updated on the requirements expected of you and also share expert tips to help you in your endeavor.
Grounding Electrode System: The system includes the grounding electrodes and the grounding electrode conductors. 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. A separate grounding electrode and grounding system cannot be established just for the fuel gas piping system. 06-25-2019, 05:45 AM #30. Bonding: A conductor intentionally installed to electrically connect metallic gas piping to the grounding electrode system to create a low-impedance pathway to ground. 5) One ore more grounding electrodes used****. As far as the connection itself, as inadequate as it might be, a loose connection causes arcing and I am quite sure that lightening will not care. The clue is the second to last sentence. Pipe straps, bands, or hangers for securing pipes. 06-24-2019, 10:29 AM #22. How to Bond CSST Gas Line. The bonding clamp must be accessible and can be located outdoors or indoors. When an additional grounding electrode(s) is usedfor the gas service, it shall be bonded to the electrical service groundingelectrode system or, where provided, the lightning protection grounding single and multi-family structures a single bond connection shall be madeon an accessible rigid piping component or CSST fitting located downstream ofthe utility gas meter or second-stage LP regulator. Bonding and grounding reduces the risk of arcing and other related damage.
Now if... that Big IF... In my area, the water heater is not going to provide the bond between hot and cold because dielectric fittings are typically used at the water supply connections. Customers who found this page usually looking for information about csst bonding, gas line bonding, csst grounding, csst fires. Note: Gas piping system includes all components that convey gas or liquids, such as piping, tubing, valves, hoses, and fittings, from the point of delivery to the inlet of the appliance. In Theory there is NO difference in the way they are bonding the gas line then one would utilize the metallic incoming water line.. 03-03-2019, 06:51 PM #21. This applies to both new and existing systems. There are a few things that I don't entirely understand about it. This is in addition to the bonding required in Section 310. How to bond a gas line shop. 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). However, the shortest practical bonding wire length will improve the effectiveness ofthe direct-bond.
Expert Tips: - Manufacturer's instructions: Consult the manufacturer's installation instructions on all equipment, including any appliance, piping, threading, and additional tools. This can be either solid or stranded copper or aluminum – so long as it is not smaller than or equivalent to a six AWG copper wire. In Maryland we are required to include a statement in the report for homes that use CSST gas lines. Anyway, in most cases the grounding conductor used on gas appliances is sufficient to handle the required bonding of a gas line. Create space: Regardless of vertical or horizontal piping, create as much space between the bond and other metal systems that may be under flooring or underground. Over the past 80 years, HELP Plumbing, Heating, Cooling, and Drains has provided reliable electrical services that ensure the safety and comfort of Cincinnati-area residents. Ground: A direct connection to the earth. Next, using a wrench, slide the nut over the bushing.
All of our electricians are licensed and insured, so you can have confidence that you're receiving services performed by experts. That said, we recommend that you always try to take the most direct route from your gas appliance or existing pipeline to the gas meter or grounding electrode system. Reasons Why Natural Gas Pipes Need Grounding. The bonding conductor must not be smaller than a 6 AWG copper wire or the equivalent size if made of aluminum.
02-13-2019, 11:57 AM #17. I have not seen this and was pretty sure at one time this was not a proper install. In general, the shortest bonding conductor will be the most effective. If possible, avoid running the bonding conductor a long distance through the building. To ground the natural gas pipes of a home or building, The Electric Connection uses grounding equipment on the structure's wiring system. The service equipment enclosure is bonded to the grounding electrode system through the grounded service conductor. CSST Gas Line Bonding. The bonding of natural gas pipes involves bonding the service equipment enclosure, which is located above ground, to the grounded electrical service system. Local requirements vary. Whole house surge protectors will not protect gas lines from a surge caused by lightening. Bob, I can add one tiny bit to the discussion.
Why is this important? Expert opinion: Home inspectors can examine your gas piping system, plumbing, and gas appliances for unforeseen hazards, especially if you are in an area prone to lightning strikes. 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. An ICC-ES PMG listing is a document issued on a product that has demonstrated compliance with the specified standard and has also demonstrated compliance with one or more of the following codes: International Plumbing Code °, International Mechanical Code ®, International Fuel Gas Code ®, Uniform Plumbing Code, Uniform Mechanical Code or International Residential Code ®. The bonding will help reduce the possibility and severity of arcing between these conductive systems when energized by a lightning strike on or nearby the premises. The bonding requirements for arc-resistant CSST (black jacket) are the same as for the yellow jacket CSST except where the AHJ allows otherwise based on the jurisdiction's authority under the alternate approval provisions of the adopted codes and ordinances.
Columbus, Ohio, is no stranger to severe weather, including thunderstorms that produce lightning strikes. If you have a boiler or heating system powered by natural gas, you likely know the warning signs of gas line pipe leaks. BC Electrical Code rule 10-700 defines the current equipotential bonding requirements for non-electrical equipment. Trust HELP for Gas Line Bonding in Greater Cincinnati & Northern Kentucky. It does not constitute professional advice. Back to gas piping... A second separate 20 foot section of CSST pipe runs from the manifold to a section of iron pipe serving the water heater.
From the 2017 NEC: - 250.
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