{"product_id":"78310600-pentair-brass-junction-box-for-lights-1-2-3-port-copy","title":"78310600 | Pentair 3\/4\" Brass Junction Box For Lights | 3 Port","description":"\u003cp data-start=\"0\" data-end=\"726\"\u003eThe Pentair 78310600 Brass Light Junction Box is designed to provide a secure, code-compliant connection point for pool and spa light wiring installations. Featuring durable brass construction, this 3\/4 inch junction box includes three ports to accommodate conduit connections while protecting electrical connections from moisture and corrosion. Its heavy-duty metal housing offers long-term reliability in demanding pool environments, making it suitable for new installations or replacement of worn or damaged junction boxes. Commonly used with underwater pool and spa lighting systems, this junction box helps ensure safe electrical transitions from conduit to power source while maintaining proper grounding and protection.\u003c\/p\u003e\n\u003ch3 data-start=\"728\" data-end=\"742\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"743\" data-end=\"1419\"\u003e\n\u003cli data-start=\"743\" data-end=\"877\"\u003e\n\u003cp data-start=\"745\" data-end=\"877\"\u003e\u003cstrong data-start=\"745\" data-end=\"779\"\u003eHeavy-Duty Brass Construction:\u003c\/strong\u003e Built from solid brass to resist corrosion, moisture exposure, and harsh outdoor pool conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"878\" data-end=\"1004\"\u003e\n\u003cp data-start=\"880\" data-end=\"1004\"\u003e\u003cstrong data-start=\"880\" data-end=\"909\"\u003eThree-Port Configuration:\u003c\/strong\u003e Features three conduit ports to support flexible wiring layouts and multiple connection paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1005\" data-end=\"1135\"\u003e\n\u003cp data-start=\"1007\" data-end=\"1135\"\u003e\u003cstrong data-start=\"1007\" data-end=\"1033\"\u003e3\/4 Inch Conduit Size:\u003c\/strong\u003e Designed for standard 3\/4 inch conduit fittings commonly used in pool and spa lighting installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1136\" data-end=\"1284\"\u003e\n\u003cp data-start=\"1138\" data-end=\"1284\"\u003e\u003cstrong data-start=\"1138\" data-end=\"1168\"\u003eElectrical Safety Support:\u003c\/strong\u003e Provides a protected enclosure for light wiring connections, helping maintain proper grounding and code compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1285\" data-end=\"1419\"\u003e\n\u003cp data-start=\"1287\" data-end=\"1419\"\u003e\u003cstrong data-start=\"1287\" data-end=\"1318\"\u003eVersatile Installation Use:\u003c\/strong\u003e Suitable for new pool light installs or replacing aging junction boxes in existing lighting systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(1) \u003c\/strong\u003ePentair 78310600 Brass Junction Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Pool and Spa Lights\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstructions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA. THE FOLLOWING PREPARATORY STEPS MUST BE COMPLETED BY THE CERTIFIED ELECTRICIAN BEFORE LIGHT IS INSTALLED\u003cbr\u003e\u003c\/strong\u003e1. Ensure that the electrical system of your pool conforms with all requirements of the National Electrical Code (NEC),\u003cbr\u003eand all local codes and ordinances. A licensed or certified electrician must install the electrical system to meet or\u003cbr\u003eexceed those requirements before the Junction Box is installed. Some of the NEC requirements are listed below.\u003cbr\u003e2. To be certain that the pool’s electrical system meets all applicable requirements, the electrician should\u003cbr\u003ealso consult the local building department.\u003cbr\u003e3. Position Junction Box to meet National Electrical Code (NEC) requirements and to prevent hazard to personnel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4. The center conduit hub is provided with a strain relief for a cord size up to a 10\/3 AWG cord. Use underwater lights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ewith water resistant cord only.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e5. Three equipment grounding terminals are provided for internal grounding suitable for #16 AWG to #10 AWG wire.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOne pressure wire grounding terminal is provided for a #8 AWG insulated copper bonding wire.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e6. Install the Junction Box gasket between the Junction Box base and cover. Replace gasket if worn or damaged (P\/N\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e79300600).\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e7. Plug any unused conduit hubs with the conduit plugs provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"264\" data-end=\"283\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"284\" data-end=\"739\"\u003eThe Pentair 78310600 Brass Light Junction Box is a 3\/4 inch pool and spa lighting junction box designed to protect electrical connections from moisture and corrosion. This section helps Discount Pool Mart walk-in customers confirm proper application, understand why junction boxes fail over time, and prepare for replacement before picking one up locally. These FAQs focus on compatibility, installation considerations, and common lighting-related issues.\u003c\/p\u003e\n\u003ch2 data-start=\"741\" data-end=\"785\"\u003eCompatibility and Lighting Applications\u003c\/h2\u003e\n\u003cp data-start=\"786\" data-end=\"869\"\u003eWalk-in customers often ask whether this junction box matches their existing setup.\u003c\/p\u003e\n\u003ch4 data-start=\"871\" data-end=\"951\"\u003eHow do I know the Pentair 78310600 junction box is right for my pool light?\u003c\/h4\u003e\n\u003cp data-start=\"952\" data-end=\"1187\"\u003eIf your pool or spa light wiring transitions from conduit to power near the equipment pad using a 3\/4 inch junction box, this model is a common fit. Bringing photos to Discount Pool Mart helps staff verify conduit size and port layout.\u003c\/p\u003e\n\u003ch4 data-start=\"1189\" data-end=\"1253\"\u003eCan this junction box be used for both pool and spa lights?\u003c\/h4\u003e\n\u003cp data-start=\"1254\" data-end=\"1367\"\u003eYes, it is commonly used with underwater pool and spa lighting systems that require a protected wiring enclosure.\u003c\/p\u003e\n\u003ch4 data-start=\"1369\" data-end=\"1431\"\u003eWill this replace an older metal or plastic junction box?\u003c\/h4\u003e\n\u003cp data-start=\"1432\" data-end=\"1527\"\u003eYes, it is often used to replace aging or corroded junction boxes that no longer seal properly.\u003c\/p\u003e\n\u003ch2 data-start=\"1529\" data-end=\"1572\"\u003eInstallation and Safety Considerations\u003c\/h2\u003e\n\u003cp data-start=\"1573\" data-end=\"1648\"\u003eThese questions help customers understand why proper junction boxes matter.\u003c\/p\u003e\n\u003ch4 data-start=\"1650\" data-end=\"1708\"\u003eWhy is brass preferred for pool light junction boxes?\u003c\/h4\u003e\n\u003cp data-start=\"1709\" data-end=\"1833\"\u003eBrass resists corrosion from moisture and chemicals better than many other materials, making it ideal for pool environments.\u003c\/p\u003e\n\u003ch4 data-start=\"1835\" data-end=\"1897\"\u003eWhat should I check before installing a new junction box?\u003c\/h4\u003e\n\u003cp data-start=\"1898\" data-end=\"1987\"\u003eConfirm conduit size, wiring condition, and grounding continuity before mounting the box.\u003c\/p\u003e\n\u003ch4 data-start=\"1989\" data-end=\"2054\"\u003eDoes the three-port design provide installation flexibility?\u003c\/h4\u003e\n\u003cp data-start=\"2055\" data-end=\"2150\"\u003eYes, the multiple ports allow easier routing of conduit and wiring without forcing tight bends.\u003c\/p\u003e\n\u003ch2 data-start=\"2152\" data-end=\"2191\"\u003eIn-Store Pickup and Local Guidance\u003c\/h2\u003e\n\u003cp data-start=\"2192\" data-end=\"2261\"\u003eThese FAQs help customers prepare before visiting Discount Pool Mart.\u003c\/p\u003e\n\u003ch4 data-start=\"2263\" data-end=\"2325\"\u003eShould I bring measurements or photos of my existing box?\u003c\/h4\u003e\n\u003cp data-start=\"2326\" data-end=\"2393\"\u003eYes, this helps staff confirm port size and mounting compatibility.\u003c\/p\u003e\n\u003ch4 data-start=\"2395\" data-end=\"2459\"\u003eIs this junction box usually available for same-day pickup?\u003c\/h4\u003e\n\u003cp data-start=\"2460\" data-end=\"2544\"\u003eIt is commonly stocked, though checking availability before visiting is recommended.\u003c\/p\u003e\n\u003ch4 data-start=\"2546\" data-end=\"2612\"\u003eDo customers often replace conduit fittings at the same time?\u003c\/h4\u003e\n\u003cp data-start=\"2613\" data-end=\"2692\"\u003eYes, fittings and gaskets are often refreshed together during lighting repairs.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51047519912224,"sku":"78310600","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/78310600Pentair34BrassJunctionBoxForLights3PortDiscountPoolMart_3.jpg?v=1769802759","url":"https:\/\/discountpoolmart.com\/products\/78310600-pentair-brass-junction-box-for-lights-1-2-3-port-copy","provider":"Discount Pool Mart","version":"1.0","type":"link"}