Grounding water pipes 50+ bought in past month. Jan 10, 2014 · Water pipes made of copper or cast iron were favored as grounding devices because they typically extended at least 10 feet underground from the point where the pipes entered the home to the main water line. Figure 1 shows the grounded conductor bond to a metal underground water pipe through the grounding electrode conductor. Bonding water piping systems is different than using the water pipe as an actual grounding electrode. Nov 18, 2024 · Plugs and Adapters . Figure 8 shows a water meter and filter bypassed via bonding jumpers. [BEWARE – most new home construction use PVC pipes for water and sewage. Pipe material affects grounding needs. The American Water Works Association (AWWA) opposes the grounding of electric systems to pipe systems conveying drinking water to a customer’s premises. Now PEX has replace the galvanized pipe, and unless grounding wire can use plastic as a "jump", I think I need to fix this. Those currents could be coming from the breaker panel, connected to the inlet side of the meter. Remember, though, that a cold water pipe ground should be considered merely one level above a no Oct 1, 2005 · You don't need a water pipe bonding jumper, if you: Use the water pipe as the grounding electrode for the SDS, or. Study with Quizlet and memorize flashcards containing terms like Although metal water piping alone is not permitted to serve as a grounding electrode conductor the first ____ of metal water pipe entering the building is permitted to serve as part of the grounding electrode, What is the smallest size wire permitted to be used as a main bonding jumper in a 1200 amp fused safety switch? The Jan 5, 2004 · Re: Cold Water Grounding Wade, if there is a metallic water pipe with at least 10' of it in contact with the ground, it shall be used as part of the Grounding Electrode System. Ground-ing electrode conductors and bonding jumpers shall be permitted to be connected at the following locations and used to extend the connection to an electrode(s): (1) Interior metal water piping located not more than 1. 54 $ 3. Dec 29, 2020 · PEX (cross-linked polyethylene) supplies homeowners with a flexible plastic freeze-resistant water supply system. The bonding jumpers ensure the Jul 20, 2023 · Grounding clamp: A high-quality grounding clamp will be needed to establish a secure connection between the water heater and the grounding system. Put a clamp meter on it and watch when you turn the main breaker back on. 104 (A) no longer applies to it. Nov 26, 2015 · A copper water pipe that extends out from the house 20 feet was the norm years ago. Several years ago, this setup Apr 7, 2010 · But in the case of the metal underground gas pipe, the gas utility uses a dielectric fitting at the meter so that the required bonding of the interior gas piping does not cause the underground portion to become a grounding electrode (although around here this is no longer an issue as the underground piping is all non-metallic). Mar 8, 2023 · 250. FREE delivery Fri, Dec 27. Product is UL and CSA listed, and suitable for indoor or outdoor use Dec 6, 2024 · Grounding to water pipe is essential for electrical safety, providing a low-resistance path for fault currents. Connects bare or insulated wire to copper or steel water pipe. Aug 23, 2020 · Older plumbing systems may have been grounded to prevent issues. Connects up to 3 conductors, LC water pipe & Acorn clamps. 44. How much pipe goop, Teflon tape, and plastic pipe is between where the water pipe enters the house and that pipe in your attic? That's why the water piping in a house isn't considered a ground. Metal Underground Water Pipe. $3. 68(C)(1). Article Sources The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. ( The white lead) New boxes have white, and ground seperate. This is case where a small change of wording makes all the difference. The NEC specifies within 5 feet of the entrance to the building. 9 The meter enclosure shall not be used as araceway for the grounding conductor to either the water pipe or the ground rod connector. Jan 24, 2023 · Some parts of this vary by local code. A(n) ? occurs when electrical current in a circuit returns through the equipment grounding conductor (EGC), through a conductive material such as the electrical system ground (metal, water pipes, and so forth), through a person, or through a combination of these ground return paths. Indeed a metallic cold water pipe can serve as a basic ground for ham gear. 0 m (10 ft) or more (including any metal well casing bonded to the pipe) and electrically continuous (or made electrically continuous by bonding around insulating joints or insulating pipe) to the points of connection of the grounding electrode conductor and the bonding The wire to your copper pipe is the (Ground Electrode Conductor (GEC) used to disperse atmospheric charges and bond. 4). 104(A). Image used courtesy of Lorenzo Mari . 52(A)(1) Metal Underground Water Pipe. No grounding/bonding provisions visible on the interior piping (such as a bonding jumper across the water heater). Or perhaps from a faulty water heater connected to the house side of the meter. I have 2 questions. If we bond this pipe, should we connect it Oct 27, 2016 · A cold water pipe is considered a Grounding Electrode and it is to ground the electric system, not so much the water pipes. A very very GOOD cold water iron pipe ground may measure as little as 35Ω and that’s if the water pipes are NOT PVC. Jul 15, 2024 · Grounding and bonding are critical parts of how we safely install electrical systems. There will be a couple short sections of rigid copper where the flexible water lines connect to the water heater. They each have different functions, but they work together to make the building’s electrical wiring safe. Additionally, when using a water metal pipe as an electrode, the National Electrical Code (NEC) mandates that you place at least one additional electrode. and then the copper tube that hooked up to the wall pipes and ran to the bypass valve on the water softener is where the previous ground clamps were. Figure 8. 0 m (10 ft. Copper wire: Obtain copper wire of appropriate gauge, typically 10 or 12 AWG, as it provides optimal conductivity for grounding purposes. Has anyone heard of this being a problem, particularly since the code requires a ground to the copper water line within 6 feet of the exit frm the building? Dec 2, 2013 · We found an Air Handler green ground connected the cold water pipe of the water heater just below it. I see some current on that gas pipe, about 2 mA or so, current is trying to go to ground via this gas pipe conduit, this is probably not Normal. We measured 12V AC to earth ground from the water pipe. Jan 19, 2017 · I have installed a 200 amp service entrance on a new home. of its length within the building. Previously, The ground wire that ran from my electrical panel used the galvanized pipe as the "conduit" to the main water line that sinks into my basement floor. According to my electrician (works in multiple jurisdictions in Maryland and surrounding areas), some places (including Montgomery County, MD, where I live) require one ground wire to copper pipe at entrance to the house (i. you can use #6 copper to ground rods for any size service. The NEC calls this objectionable current (NEC 250. One of: 2a. Had lightning struck the compressor on the roof, that would have really gotten his attention. Where installed in or attached to a building or structure, a metal piping system(s), including gas piping, that is likely to become energized shall be bonded to the service equipment enclosure, the grounded conductor at the service, the grounding electrode conductor where of sufficient size, or the one or more grounding electrodes used. Aug 16, 2024 · A: Test the grounding connection annually or whenever there is a change in the electrical system. I almost want to drive a seperate grounding rod, and stop using a water pipe as a ground. It can still be used as an electrode, but now falls under "rods and pipe" category. Oct 5, 2022 · Hello, I am new to this forum but am trying to figure out how I can ground an outdoor antenna. to/3NL341Lhttps://amzn. To bring your house up to today’s earth grounding standards, you will need the following: Five, six, or maybe more ground clamps suitable in size and compatibility with your metal water pipes, gas pipe, water-heated pipes, and any other interior metal piping, two 5/8″ x 8′ copper clad ground rods, two acorn style clamps for connecting a Sep 28, 2023 · One of the key differences between a ground rod and a water pipe is that water pipes need to be "bonded" and in contact with the earth for at least 10 feet to qualify as a grounding electrode. Since the piping is continuous from stem to stern, it logically follows that unlike the domestic water pipe, it can't be used for grounding. The disadvantage of water pipes is that you cannot test them. The city is worse, calling for two. Add to cart-Remove. For water heaters that use electricity, the properly connected equipment grounding conductor in the electrical feed. Total resistance to ground should be kept below one mega-ohm. Figure 1. com: Morris Products Heavy Duty Ground Clamp For Connecting Grounding Conductor to Water Pipes, Copper Tubing, Rebar, Ground Rods 1/2-1 Water Pipe, Ground Rod Range, 8-4/0 Wire Range, (91610) : Everything Else Oct 7, 2008 · That cold water pipe in your attic isn't a ground. A: Clifford A. Don't stuff anything new into your breaker panel, don't re-do any of your existing stuff unless your electrician tells you there's something seriously wrong with the current setup. By connecting metal conduit or equipment to a metal water pipe, the current can flow safely to the ground, minimizing the risk of electrical shock or fire. An underground metal water pipe can’t serve as the only grounding electrode. 8 forbids the use of the underground sprinkler system as a grounding electrode. The home has city water that enters the home in the basement and is in "Pex" plastic tubing. 4(a)(1) Electrical systems that are grounded shall be connected to earth in a manner that will limit the voltage imposed by lightning, line surges, or unintentional contact with higher-voltage lines and that will stabilize the voltage to earth during normal operation. 66 which refers to table 250. In my cottage, the copper water pipes are connected to adriven ground rod (GEC ?) They are notbonded to the ground bus of the main panel at the meter (a fused disconnect),nor to the remote service panel inside of the dwelling. Previously, we focused on sizing the grounding electrode conductor (GEC), which is a critical component of the grounding system that connects the system to earth. For 5/8-in - 3/4-in rebar. ) or more …. He did not mention the mechanism that he claims is causing the problem. The interior metal water pipe system that connects to a metal underground water pipe should be no more than 5 ft. 7 out of 5 stars. Since outside water pipes normally are buried well below the soil’s surface, it does serve some purpose. (C) Metallic Water Pipe and Structural Metal. The water piping still needs to be bonded per 250. 54. Jul 21, 2015 · Metal water piping system(s) installed in or attached to a building or structure shall be bonded to the service equipment enclosure, the grounded conductor at the service, the grounding electrode conductor where of sufficient size, or to the one or more grounding electrodes used. To NOT ground the metal water pipe can present a hazard to someone if the water pipe should become energized for some reason. 4. 52 (A) 1, which does list metallic underground water pipes of with 10ft or more contact with earth as permitted (and quite commonly used) to provide service grounding. There is exactly one inch of pipe clear for the grounding clamp. Copper alloy construction with stainless steel screws. The panel appears to have two "grounds". Jul 16, 2014 · The residential property we are renovating was built in 1992. Art. 1. So there is the 1"? water pipes that come out of the wall . 0 m (10 ft) or more (including any metal well casing bonded to the pipe) and electrically continuous (or made electrically continuous by bonding around insulating joints or insulating pipe) to the points of connection of the grounding electrode conductor and the bonding Plastic pipe wasn’t around, and water pipes were used for grounding. . • A non-metallic underground water pipe is not a grounding electrode and the interior metal water piping that it supplies is not a grounding Aug 14, 2015 · Bonding to water pipes should only be done when an actual ground plane has been established. For 1/2-in - 1-in pipe or copper rod. That is enough to get your attention. There are five main materials used for plumbing. ) Vince O’Brien, Emeryville, CA. 10' Which of the following is not permitted as a grounding electrode? A(n) ? occurs when electrical current in a circuit returns through the equipment grounding conductor (EGC), through conductive material other than the electrical system ground (metal, water pipes, and so forth), through a person or through a combination of these ground return paths. Once fixed, you can reconnect the grounding strap to the pipe IF the main breaker is off, and IF you carefully measure no voltage or current between it and the pipe. Water pipe entry is back to back fittings, couplings, and gate valve on street side of meter. The grounding electrode system connects the building's electrical system to the earth. Suitable for direct burial in ground or concrete. Mar 10, 2023 · The underground metallic water pipe used as a grounding electrode should meet the following: Ensure the continuity of the grounding path or the bonding connection to the interior piping does not depend on meters, filters, or the like. Dec 30, 2010 · Amazon. Older homes have the neutral grounded. Metal pipes themselves need to be electrically grounded by grounding the cold water inlet pipe in the pipe system. Feb 4, 2018 · Electric service customer needs to have a ground rod added to residence with existing cold water pipe ground. Plumbers need to be aware of how this works and how to prevent breaking the ground using a In the video I talk about why water pipes need to be grounded. One wire from the ground/neutral bar is currently "grounded" to a cold water pipe which is about 10ft from the panel and about 30ft from where the service enters the building. 52 Grounding Electrodes. “Grounding” and “bonding” are important elements of a building’s electrical wiring system. 2. However, this little section specifically mentions NFAP 780. FWIW, the ground wire is there to trip the fuse or breaker should there be a line/ground short. Sep 15, 2016 · Hi All, I’m new to NACHI and am trying to learn and understand thevarious grounding requirements, starting with my own property. 7. Sep 23, 2022 · An underground metal water pipe acts as a very effective grounding rod, and fault currents can leak to Earth through it. com Jul 23, 2023 · It was my understand the NEC wants you to use the cold water pipe (if available) for these reasons: 1 > it provides an earth ground, 2> it grounds all the metallic water pipes to prevent a potential shock in the bath/shower/sink, if the plumbing was energized. 104 for specifics of bonding the water piping. In a ground fault, the abnormally high amperage (current flow) that results trips a breaker or blows a fuse, disconnecting power to the circuit. An abandoned metal water pipe is no longer a water pipe electrode. 52(A)(1), 250. Heavy Duty: Heavy duty grounding clamps feature a serrated bronze body for securely attaching ground wires to water pipes; Range of Sizes Jun 13, 2011 · The #4 copper wire is also running continuously past the 2 water meter clamps and under the step, it ends at a clamp on the hot water pipe coming out of the water heater, approximately 4' of copper pipe is between the clamp on the hot water pipe and the dielectric fitting on the water heater. $25. Apr 13, 2017 · As long as there is water in your plumbing system, there is no way to electrically determine if your electrical system is bonded to your plumbing, since the water inside the pipes (even if PEX) will conduct electricity such that any two points tested between electrical ground and plumbing will be close enough to zero to count as such. Whether the […] Sep 28, 2024 · Effective grounding is required for systems such as transformers, motors, and other major equipment. It’s required by the NEC to ground metal water piping and metal gas piping in case it becomes energized. I've realized that my gas pipes may not be properly bonded. 6. Water pipes and plumbing, in general, do not always make use of metal. Mar 6, 2015 · Since you have a water pipe the rod is a supplemental electrode and #6 is adequate from the service disconnect to that rod (250. Never ever connect an appliance green ground to a water Jan 9, 2003 · In fact if the water pipe was only "natural" grounding electrode it had to be suplimented with a an additional electrode while all of the others can stand alone. The house main power is grounded to the main water pipe coming inside the house from the basement, on the opposite side of the house that the antenna will be mounted. A typical laboratory/aerospace test system ground measures <12Ω from “Unit-Under-Test to earth ground”. Popejoy, a licensed electrical contractor in Sacramento, California, replies: To answer your second question first, no, you can’t grab a ground from a cold-water pipe. Dec 31, 2021 · Bond that ground rod to your primary grounding electrode (which is probably that same water pipe that your main panel has a run to) using an approved clamp. Some homeowners choose to use water pipes instead of copper pipes. The rod or pipe electrode may be a 5/8” diameter stainless steel, copper or zinc coated steel rod, or a smaller diameter listed rod, or a Mar 17, 2021 · If there are no grounding electrodes on premises and a 200 amp 120/240v service is installed, there would be a made electrode with two ground rods driven and a #6 cu jumped between the two and attached to the system neutral. (A) Electrodes Permitted for Grounding. Mar 6, 2014 · Run a #6 copper wire from the electrical system ground (grounding electrode system) to the antenna. This was a large old house also, so we did make sure all the pipes were still bonded. Aug 26, 2009 · Most likely the water wasn't plumbed and the contractor ran the wire to the grounding location. New code states that a copper water be bonded as a supplemental ground. Interior water piping that has been abandoned is no longer water piping either, therefore 250. Metal Frame of the Building or Structure. Feb 22, 2018 · Grounding to Cold water pipe Can I ground through copper water pipes? US homeowner here with a question about changing the way the electrical system in my house is grounded. 52 m (5 ft) from the point of entrance to the building shall be Simple ham station grounding is often done with a water pipe. Concrete encased electrode, metal in ground support structure,ground ring, ground rod and plate electrode are a few of the other acceptable means. Oct 2, 2023 · This type of clamp is best used inside to make grounding connections around water pipes that are grounded to the ground bus of a service panel. Feb 12, 2005 · I understand that I must ground my water pipe within 6 feet of where it enters the basement. From Copper Pipes To PEX Bonding (Grounding) Our House Water System!Amazon link for purchase6 gauge copper wirehttps://amzn. 43. Know more. (1) Metal Underground Water Pipe. Aug 29, 2001 · The issue of grounding water pipes is more complicated than this, I think. Jan 4, 2016 · They should also check the adjacent homes and check for current in the ground. Remember, one purpose of grounding an electrical system is to limit the voltages imposed on it. The furnace is old and has old 2 wire power. Sep 15, 2022 · Metal water pipes are often used as a part of the home's grounding system. AWWA Policy Statement on Grounding of Electrical Circuits on Water Pipe. 104(D)(1) Ex 2] (Fig. com: Morris Products Direct Burial Copper Ground Pipe Clamps – For Connecting Grounding Electrodes to Water Pipes, Tubing, Ground Rods – 2-10 Wire Range, 1-1/4-2” Water Pipe Range, 5/16-18 Screw Thread : Everything Else • A metal underground water pipe (10’ in the earth or longer) can only be considered as a grounding electrode for the first 5 ft. Using a metal underground water pipe as a grounding electrode. 66(A)) but to the water pipe a #4 is required from the service disconnect to the water pipe (250. Regulatory bodies, standards organizations, and testing labs have developed comprehensive guidelines for grounding to water pipe May 7, 2009 · My questions regard replacing required grounding straps once the galvanized is gone. My circuit breaker box is 40 feet away on the other side of the basement. We do not want stray currents on our copper pipe. The NEC requires metallic water pipes be grounded even if they are physically isolated from the earth and cannot be used for a grounding electrode. install the bonding immediately upon water piping installation. Cable clamp swivels at 90°, permits parallel grounding of one pipe on a 90° cable run for grounding several parallel pipes Mar 4, 2016 · Water pipes were bonded to electrical system and operating at this same potential but because drain pipe in bathtub was not bonded it was at ground potential since it eventually ran into the ground, so users would experience a small voltage between supply piping and drain - the drain was continuous with water as well as the cast iron tub, so Dec 30, 2010 · Amazon. Q: What happens if I don’t ground my water heater? Aug 12, 2022 · Turns out they had water pipe clamps everywhere in the basement someone used to 'ground' the outlets. NOT GOOD. Bond the metal water pipe to the structural metal building frame being used as the grounding electrode for the SDS [250. Mar 22, 2018 · A proper ground will provide a means for continuously discharging a charged, conductive body to the earth. 99. Currently, a #6 grounding electrode is coming out of my panel, through an exterior wall, and down to a ground rod. Oct 23, 2012 · A metal underground water pipe in direct contact with the earth for 3. 99 $ 25. Our local code calls for a seperate ground rod not connected to any water pipe. e. 5 out of 5 stars. See full list on electrical-engineering-portal. Bare Wire Ground Clamp (Solide Brass with Steel Screws) (6) 3/8 to 1 Inch Pipe to 8 to 4/0 AWG Wire Bronze Bare Wire Ground Clamp with Open Lug and Steel Hardware NSI grounding and bonding products provide flexible solutions for a wide range of grounding and bonding applications in the field. A metal underground water pipe in direct contact with the earth for 3. Grounding is a connection to earth, bonding is connecting things together. Q: Can I use a metal pipe as a grounding rod? A: No, metal pipes are not suitable for grounding electric water heaters. 6) and we want this fully eliminated. 3. Bonded to the water pipe, it might not be a valid ground, and could then be at some higher electrical potential. 104(B) Other Metal Piping. I read the complete article and know realize that a #6 copper wire was all that was required. What would be the size of the bonding jumper to the metal Jan 22, 2018 · A metallic water system is not used as equipment grounding, but the confusion probably comes from 250. Compared to copper pipes, water pipes are unreliable due to tar coatings and plastic fittings. ground ringat least 20 feet in length, (5) rod and pipe electrodes at least 8 feet in length, (6) other listed electrodes, or (7) plate electrodes. Meet the following conditions for the water pipe to qualify as a May 1, 2005 · Can I tie to cold-water pipes when they are available? (I’d make sure the pipes were grounded. to/3NLi1km Jan 12, 2016 · The existing ground wire, if connected to the water pipe after the water meter, will properly tie the cold water plumbing to the electrical system ground but you will need to run another ground wire from the panel to the water pipe before the meter and within 5 of where the pipe exits the foundation at the front of the house. The grounding of the water pipe is not necessary for the proper grounding of the electrical system if there is a separate earth ground supplied (ground rods, etc. Apr 16, 2016 · Water pipes have been used extensively in the past as a grounding electrode. 20 Water Pipe Ground Clamps Zinc fits 1/2-1 UL Approved. In many older homes it is common to use the water pipe as the primary grounding electrode. However, since metal underground water pipe has often been considered an electrical grounding standard, homeowners wonder whether grounding is needed with PEX plumbing and whether personal safety is put at risk if they do not have a metal water pipe. My plumbing ground was a series of connections from the water main through various galvanized connections to the panel. How is grounding and bonding accomplished when the water pipe is non-metallic Sep 28, 2023 · One of the key differences between a ground rod and a water pipe is that water pipes need to be "bonded" and in contact with the earth for at least 10 feet to qualify as a grounding electrode. 66). Grounding may be achieved by attaching a wire conductor between the container and a water pipe or the full length of an 8-foot-long copper clad steel rod embedded in the ground. A metal underground water pipe that is in direct contact with the earth for ? or more is a Code-recognized grounding electrode and must be included in the grounding electrode system. That's where it is. (see pic below) BURNDY® offers mechanical grounding connectors for Cable to Ground Rod, Pipe, tubes. Sometimes, metal water piping serving a building may not be in contact with the earth for 10 feet or more and does not qualify as a grounding electrode. May 7, 2006 · The plumber said that connecting the electrical ground to the copper water line is causing many pipes to leak. from the point of entry to the building. , before the first valve) and one ground wire to a ground rod. Jul 31, 2015 · Section 10. 2b. You need to protect it if needed with a sleeve of emt or pvc if it is easily accessible and subject to physical damage. Jul 22, 2008 · Just looked at brand new construction - plastic main water service (see photo). Uses include attaching grounding conductors to different sizes of water pipe. BOSS. The connection to the pipe should be accessible, but there is an exemption under 250-68(a). ) to grounding electrode conductors or bonded metal cold water pipe. Water pipe connections are not testable and are unreliable due to the use of tar coatings and plastic fittings. 50). ), however it is necessary in order to assure an equal ground potential between the electrical system and metallic plumbing system. These materials will determine whether your underground pipes can be used for grounding or not. Rather than try to run a ground wire from panel to individual circuits, why not decide where you need a grounded outlet ( many things don’t have 3 prong plugs) and just run a new Dec 21, 2020 · Water pipes (metal) in the past were dominantly used as the grounding electrode, now because of plastic concrete encased electrodes and ground rods as supplements are used more and more. I was planning on running a ground from the gas line to the panel. Is there any reason why I cannot just insert another grounding rod near where the water pipe enters the basement and ground it there?. May 6, 2020 · Yes the NEC does allow as one of its grounding electrodes to be a metal water pipe in direct contact with the earth for 10' or more (not to rely on water meters). You may have seen plug adapters that allow three-prong plugs to be inserted into two-slot outlet receptacles, but these can only give grounding protection under a very specific set of circumstances: if the adapter's metal loop or pigtail wire is properly attached to the mounting screw on the outlet's cover plate, the cover plate screw is connected to a metal box, and the Jan 23, 2013 · If either or both of these are plastic then the bonding jumper(s) go from each metal section of the hot water plumbing downstream (upstairs, etc. 250. Dec 1, 2019 · See 250. Have your electrician use a clamp-on amperage meter to measure the current on the water pipe grounding electrode conductor (GEC), and onto the copper pipe itself (if the clamp will go around the pipe). The two main types that these five fall into are metallic and non-metallic. Various electrodes can be used, including metal water pipes, concrete-encased electrodes, ground rods, and ground rings (NEC 250. Used for connecting copper conductors to metallic water pipe, ground rods, or flexible gas pipe (CSST) with brass hex fittings Conform to the requirements of the 2009 edition of NFPA® 54, NFGC® (National Fuel Gas Code) and NEC® (National Electric Code) for bonding corrugated stainless steel tubing (CSST) gas piping systems to the grounding Jun 19, 2010 · 250. From there the plumbers have installed about 2 ft of copper tubing, for rigidity to help with installing a water meter, and another 2 ft of pipe above the water meter for the same reason,rigidity. 1. 2 Bonding Mechanical Grounding Connector, Conductor to Water Pipe, 4-4/0 AWG, 1-1/4" - 2" Pipe, 3/8" Stud. Not ground OF the water pipe. A redundunt ground for all practical purposes. Also you might want to bond cold water pipe to hot water pipe at water heater. A plumbing grounding system works by using the galvanized or copper lines in the home to conduct back to ground through the main water line into your home. You can also drive a ground rod in the vicinity of the antenna but this ground rod should be connected (using a #6 copper wire) to the electrical system ground. The main panel at the meter is NEC - 250. But often not within 5 feet of the entrance of the home. Sep 16, 2023 · Question about grounding gas pipes. Just get a water pipe clamp and connect the grounding conductor to the metal water pipe as close as you can to where it enters. The purpose is to ground the electrical system TO (or using) the water pipe. Inspector didn’t necessarily “ miss” that, since it was common practice in that era. Jun 19, 2018 · I am installing a new water softener in place of one that was already in the same spot. And yes I know its not code to ground a outlet to a water pipe any more, but old houses you never know. For #10 - #2 wire. The metal frame of the building or structure that is connected to the earth …. 10 Only zinc-coated, steel type connectors shall be used on iron water pipe. The National Electrical Code states (per 2005/2008 NEC)-250. COREX 1/2" to 1" Bronze Water Pipe Ground Clamp - High Conductivity Grounding Clamp Conduit Fitting. qpjm ozvc ouwhql ofpjt gzst djily hskra nkkrh bcvmmc ywsdn