If the pool is an above ground and is considered storable then the following codes apply: All electrical equipment used with storable pools are required to be GFCI Protected. These NEC bonding requirements apply to all swimming pools. 6 … The skimmer bonding plate and the pump come with bonding lugs so you may only need four more to connect to the pool frame or wall. What parts of a swimming pool require bonding? Underground Wiring Location. The following objects must be bonded to the type of common bonding grid specified in 680.26(C): Metallic parts. A swimming pool with no grounding or bonding, or a swimming pool that is improperly grounded or bonded can result in electrocution, shock, and even death. “If it’s attached to the pool structure, it has to be bonded,” Hamilton says. I am reading the NEC code from 2014 (680.26) for "Perimeter Surfaces" and the code talks about bonding at a minimum of 4 points for a conductive surface but the last sentence reads "For nonconductive pool shells, bonding at four points shall not be required." For durability, these structures are often made of metal. (1) Metallic Parts of Structure. The following parts of a pool, outdoor spa or hot tub shall be bonded to a common bonding grid of the type specified in 680.26(C). The 2020 Code Making Panel has introduced a new and unprecedented Code section for this 2020 Code cycle that may prove controversial once time allows this directive to play out. Bonding is also known as equipotential bonding because the goal of this process is to equalize the potential differences in voltage between different parts of your pool equipment. The 2008 National Electric Code (NEC) allows installation of an alternate means 680.26(B)(2)(b) (ground ring) around nonconductive pools, nonstructural steel and encapsulated steel swimming pools in lieu of an equipotential copper bonding grid to mitigate abnormal water-to-deck voltages around swimming pools. The following parts require bonding: They requested that I clarify the bonding requirements for swimming pools. The problem could also originate from your utility provider or from a wiring flaw outside of the pools bonding grid that is back-feeding electricity to the pool area. All "PoolBond" electrical pool bonding fitting are UL approved and will not void any warranties. The ampacity of branch-circuit conductors and overcurrent devices for pool or out-door spa and hot tub water heaters must not be less than 125 The issues on equipotential bonding grids and pool water bonding are interesting and challenging for the pool industry, and it looks like controversy will continue for the 2008 NEC. Gather supplies Acquire a skimmer bonding plate , #8 solid bare copper wire , and enough bonding lugs to attach the wire at every point. This definition was added to the NEC. The second element of the equipotential bonding grid is the perimeter surfaces or deck steel as it is sometimes referred to [see NEC 680.26(B)(2)(a) and (b)]. Overhead service and other overhead conductors 750V and less must be located no less than 22.5 ft. from the water (Table 680.8A). They speculate that the girl was in the water with 120 V ,no problem yet. Section 250.194 is new in Part X of Article 250 and covers the grounding and bonding requirements for metal structures and fences near a substation. Section 680.26(B) of the 2005 National Electric Code (NEC) requires bonding of all the metal structures, fittings and parts that are horizontally within five feet of the pool wall and vertically within twelve feet above the maximum water level of the pool. Underwater Lighting Fixtures. Since 2008 the National Electrical Code (NEC) has mandated that pool water must be electrically bonded. General Overhead Conductor Clearances. If the pool was bonded correctly there is a relatively good chance that the solution is simple once the problem is identified. The equipotential bonding system carried Voltage however there was a break in the bonding system and it was not consistent throughout the grid. For nonconductive pool shells, bonding at four points shall not be required. 4 Mike Holt’s Illustrated Guide to Understanding the National Electrical Code, Volume 2 Article 680 Swimming Pools, Spas, Hot Tubs, Fountains, and Similar Installations 680.9 Electric Water Heater. to a common bonding grid [pool reinforcing steel, pool metal wall, or an alternative bonding grid as described in 680.26(C)(3)] is to ensure that all such metal parts are at the same electrical potential. Photo 4. The National Electrical Code (NEC) has mandated that pool water “shall be electrically bonded,” not just metals in the structure of the pool itself. How to properly bond an above ground swimming pool. Every swimming pool contains some form of these particular fixtures. 2014 NEC swimming pool bonding 680.26(B)(6)(a) First off, I have not done a pool inspection since The Twin Towers went down, so I am trying to knock the rust off. The wall of a bolted or welded metal pool. The NEC now states that electrically operated pool and spa lifts must be bonded, with some exceptions listed in the code. Below is … National Electrical Code Development 2005 NEC – Part (C) Equipotential Bonding Grid to 680.26 (Continued) (3) Alternate Means. The reason for connecting metal parts (ladders, handrails, water-circulating equipment, forming shells, diving boards, etc.) (2) Bolted or Welded Metal Pools. Swimming pool bonding appears to have been established for quite some time now. 2. Bonding to perimeter surfaces shall be provided as specified in Item 2.1 or 2.2 and shall be attached to the pool, spa, or hot tub reinforcing steel or copper conductor grid at a minimum of four points uniformly spaced around the perimeter of the pool, spa, or hot tub. Bonding Jumper, Supply-Side: Bonding jumper supply-side is a conductor installed on the supply side of a service or within a service equipment enclosure(s), or for a separately derived system, that ensures the required electrical conductivity between metal parts required to be electrically connected. Additionally, in their manufacture, must be listed, labeled and identified, with three exceptions. This is. (7) The bonding conductor in Subrule (4) shall be of copper and not smaller than that required by Table 16, except that the bonding conductor for an in-ground pool shall be not smaller than No. Not sure what I am missing here, but here is the way I am understanding this section. Equipotential Bonding Grid — Perimeter Surfaces. Most substations are utility owned and therefore not covered in the NEC but once in a while, a substation is privately owned and the NEC applies. When emerged in a pool, the last thing anyone wants is to become the completion of an electrical circuit. Swimming pools bonding (pdf) . The perimeter surfaces are comprised of the following elements. Inground Pool Wiring Diagram hey guys, does anyone have a wiring diagram for an inground pool that show the equipotential bonding … Bonding conductor (8 AWG solid CU) to pool pump motor. All metallic parts of the water structure, including the reinforcing metal of the pool shell, coping stones, and deck, shall be bonded to a common bonding grid [680.26(C)]. Pool Defender® in ground water bond skimmers with an integrated water bond make it easy to meet water bonding building code requirements. Learn Grounding - Swimming Pool Equipotential Bonding with code expert Mike Holt in this excerpt from his best-selling library -Changes to the NEC DVD program. In the past few months, I have received emails and phone calls from electrical inspectors and contractors stating there is confusion in their areas concerning swimming pool equipotential bonding. The diagram below assumes that there is no casual connection to true Earth in the house through protective bonding. Pool bonding diagram. Shall not be permitted under the pool or within the area extending 5 ft. How to properly bond an above ground swimming pool. Bonding isn't required to provide a low-impedance ground-fault current path. Figure 680–30 The bonding grid must comply with (a) or (b) and be atto the conductive pool reinforcing steel at a minitached - mum of four points uniformly spaced around the perimeter Note: These rules are current as of the 2017 edition of the NEC—a coding standard that is updated every three years.While changes to the Code are gradual, it is always a good idea to check on the requirements of the latest edition of the NEC. Pool Water Bonding and Electrical Components Electrical Water Bonding is a new National Electrical Code that inspectors are now enforcing. EC. extend 3 ft horizontally beyond the inside walls of a pool, outdoor spa, or outdoor hot tub, including unpaved, paved, and poured concrete surfaces. ODE is a staff engineering associate at Underwriters Laboratories Inc., in Research Triangle Park, N.C. How Old Is The Equipotential Swimming Pool Bonding Code? concrete pool where the reinforcing rods are bonded together by the usual steel tie wires or the equivalent. As licensed electricians, the team at KB Electric LLC has seen multiple botched electrical pool … NEC bonding requirements apply to in ground and above ground pools, and includes all metal components, equipment and the water itself. Well, there you have it: Pool Bonding 101. NEC Article 680 Swimming Pools, Fountains, and Similar Installations I. The Casing became energized which energized the equipotential bonding system that went around the pool. All 125-volt outlets or receptacles within 2o feet of the inside walls of a pool require GFCI Protection. Summer is the time of year when most swimming pool equipment, hot tubs, and spas are inspected and maintained to ensure that life saving measures such as ground-fault circuit interrupter (GFCI) protection and all grounding and bonding systems are functioning properly. Just sifting through some old code books I have on my shelf, I came across this in a copy of the 1962 NEC. Your local building inspector can let you know what the most current guidelines are for electrical safety around pools and spas. So the National Electrical Code (NEC) requires that the pool equipment, and all metal within a 5-foot radius of the edge of the pool up to 12-feet high be connected together with copper wiring to the metal reinforcing steel in the pool and the panel ground. WHAT IS POOL BONDING?The goal of bonding is to keep people and electricity separated. This is called equipotential bonding. In swimming pool bonding, a conductive path between such metal objects is necessary. When you properly bound your pool equipment, you greatly reduce the risk of electrical shocks.
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