What type of equipment requires a bonding jumper in pool installations?

In pool installations, all metal parts and conductive elements that are in contact with the pool water require a bonding jumper to ensure safety. This requirement is critical because it helps to reduce the risk of electrical shock to users by creating a low-resistance path for stray electricity, which helps to safely direct any fault current back to the ground.

Bonding these elements together minimizes the potential difference that could exist between various metal components, thereby preventing any electrical hazard that could lead to shock. This includes items like metal ladders, rails, and piping, in addition to underwater lights, heaters, and any other conductive materials that may interact with the pool water. The National Electrical Code (NEC) emphasizes the importance of bonding in these scenarios to protect both users and equipment from electrical faults.