User: CherokeeXJ, Location: North Carolina
Asked on: Thursday, July 24, 2025 at 1:31 am EDT
Answered on: Thursday, July 24, 2025 at 1:45 am EDT
Question: Long post, but I want y’all to see the whole arrangement. Thanks for reading and for any feedback you could pass along.I’ve got an above ground pool I’m wiring that is 48 inches deep and going to be served by two 120 volt circuits. One receptacle circuit for a cord and plug connected motor and one general purpose receptacle circuit.I was told it is a resin pool and has metal supports on the side and metal ring around the bottom.The pool is located inside a metal chain link fence that extends between two homes measuring 40 yards or so. The other side of the fence isn’t physically connected, but runs parallel between the two houses on the other side of the yard. That side has three gates in it and sits around 15-20 yards from the pool at the closest point.The pool sits less than 5 feet from the fence at the closest point. There is a gate in the fence at around 5 feet from the pool then the other side of the gate extends to the other home.No power company underground/overhead lines run under/over the fence to either home’s service. There is what I believe to be a direct buried line in UF that runs to a well at the back of the property. It measures 6 feet away from the pool where it passes by it and runs under the fence opposite the side the pool is closest to.By 680.26(B)(7) exception #2 I am required to bond the fence posts and mesh to my ring since it is less than 5’ from the inside wall of the pool. The gate that joins the two fence sections can be separated in the middle (electrical connection opened by physically getting opened by a person), so my gut says to bond the other side of the fence to my ring also and install jumpers to each gate portion that swings as well to bring everything in the vicinity of the pool to the same potential and make the other end of the fence my possible difference instead of it happening at the gate where people are most likely to touch. My thought is to leave the fence on the other side of the yard alone.Just wanted to verify my thinking on this. I know things like long metal fences and guttering can be dangerous when it comes to pool bonding, so I want to use my best option and make it as safe as possible.
Okay, let's break down your situation and your proposed solution. You're right to be cautious and thoughtful about pool bonding – it's a critical safety issue.
Understanding the Code and Potential Hazards 680.26(B)(7) - Metallic Parts
This section of the NEC requires bonding of metallic parts that are within 5 feet horizontally of the inside walls of the pool and not separated by a permanent barrier. Your chain-link fence falls squarely within this requirement.
Exception #2 to 680.26(B)(7)
This exception is what you're focusing on, and it applies when the metallic part (like your fence) is not isolated from the pool by a permanent barrier. This means you must bond the fence.
The Goal of Bonding
The purpose of bonding is to create an equipotential plane around the pool. This means that all conductive parts within reach are brought to the same electrical potential. This minimizes the chance of a dangerous voltage difference between, say, the fence and the pool ladder if a fault occurs.
Potential Hazards
As you noted, long runs of metal like fences and gutters can become energized due to stray voltage or a ground fault. This voltage can then be transferred to someone in or near the pool.
Your Specific Situation and Proposed Solution
You've accurately identified the key issues:1. Pool Type
Resin pool with metal supports and a metal bottom ring. This means the metal ring must be bonded.2.
Fence Proximity
The fence is less than 5 feet from the pool.3.
Fence Configuration
The fence is in two sections separated by a gate.4.
Underground UF Cable
The UF cable running to the well is another potential source of fault current, but it's your fence that is your most pressing concern.
Assessment of Your Proposed Solution
Your thinking is excellent. Here's a breakdown of why your approach is generally sound and some refinements: Bonding the Fence Sections
You are correct in bonding both sides of the fence to your pool bonding grid/ring. Since the gate can be opened and close, it is not an electrical connection and you must bond the other side to your pool ring.
Gate Jumpers
This is a critical point. Installing bonding jumpers across the gate sections is essential to maintain the equipotential plane when the gate is closed. Use flexible bonding jumpers.
Leaving the Far Fence Alone
You are correct in leaving the fence section on the opposite side of the yard alone. It is far enough away to be considered safe.
Addressing the UF Cable
Since the cable is 6ft away, it is not technically required to be bonded. If it was less than 5 feet horizontally from the inside wall of the pool, it would be required.
Refinements and Considerations1. Bonding Grid/Ring Connection
Ensure you're making solid, reliable connections to your pool's metal ring. Use listed bonding connectors that are suitable for direct burial. The connections must be accessible for inspection.2.
Bonding Conductor Size
The bonding conductor must be sized appropriately based on the size of the largest circuit feeding the pool equipment (usually the pump motor). Consult your local electrical inspector or a qualified electrician to determine the correct size. Minimum is usually #8 copper.3.
Methods of Connection
Make sure to use listed bonding connectors for the wire to fence connections. Typically listed clamps or exothermic welds are the most common methods.4.
Inspect Connections
After the installation, carefully inspect all bonding connections for tightness and corrosion resistance. Re-inspect periodically, especially after harsh weather.5.
Local Codes and Inspections
Absolutely do not skip this step. Pool electrical work is heavily regulated for safety reasons. Contact your local building department or electrical inspector before you start the work to ensure you're meeting all local codes and requirements. They may have additional requirements or interpretations that you need to be aware of.6.
Ground Fault Circuit Interrupter (GFCI) Protection
Ensure all receptacles serving the pool equipment are GFCI protected. This is a mandatory safety requirement.
In Summary
Your proposed solution demonstrates a good understanding of pool bonding principles. By bonding both sections of the fence and using jumpers across the gates, you are taking the right steps to minimize potential hazards and create a safer environment around the pool. Remember to follow all applicable codes and consult with a qualified electrician if you have any doubts or questions.
Disclaimer: This information is for general guidance only and does not constitute professional electrical advice. Always consult with a qualified electrician and follow all applicable codes and regulations when performing electrical work. Flag for review