{"product_id":"pentair-brass-light-junction-box-3-4-3-port-78310600","title":"Pentair Brass Light Junction Box | 3\/4\" | 3 Port | 78310600","description":"\u003cp data-start=\"2019\" data-end=\"2667\"\u003eThe Pentair 78310600 Brass Light Junction Box is designed to protect electrical connections for pool and spa lighting by providing a secure, corrosion-resistant enclosure. Manufactured to Pentair OEM specifications, its solid brass construction withstands moisture exposure and demanding outdoor conditions around pool equipment. The three-port configuration allows flexible conduit routing while maintaining safe wiring transitions and proper grounding. Compatible with standard 3\/4 inch conduit, this junction box is well suited for both new lighting installations and replacement of deteriorated enclosures in existing systems.\u003c\/p\u003e\n\u003ch3 data-start=\"2669\" data-end=\"2687\"\u003e\u003cstrong data-start=\"2673\" data-end=\"2687\"\u003eHighlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2688\" data-end=\"3316\"\u003e\n\u003cli data-start=\"2688\" data-end=\"2834\"\u003e\n\u003cp data-start=\"2690\" data-end=\"2834\"\u003e\u003cstrong data-start=\"2690\" data-end=\"2722\"\u003eOEM-Spec Brass Construction:\u003c\/strong\u003e Built to Pentair standards to deliver long-lasting resistance to corrosion and moisture in pool environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2835\" data-end=\"2940\"\u003e\n\u003cp data-start=\"2837\" data-end=\"2940\"\u003e\u003cstrong data-start=\"2837\" data-end=\"2866\"\u003eThree-Port Wiring Layout:\u003c\/strong\u003e Supports multiple conduit connections for versatile electrical routing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2941\" data-end=\"3055\"\u003e\n\u003cp data-start=\"2943\" data-end=\"3055\"\u003e\u003cstrong data-start=\"2943\" data-end=\"2969\"\u003eFits 3\/4 Inch Conduit:\u003c\/strong\u003e Designed to integrate seamlessly with standard pool and spa lighting conduit sizes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3056\" data-end=\"3190\"\u003e\n\u003cp data-start=\"3058\" data-end=\"3190\"\u003e\u003cstrong data-start=\"3058\" data-end=\"3094\"\u003eProtects Electrical Connections:\u003c\/strong\u003e Helps safeguard wiring splices while supporting grounding and electrical safety requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3191\" data-end=\"3316\"\u003e\n\u003cp data-start=\"3193\" data-end=\"3316\"\u003e\u003cstrong data-start=\"3193\" data-end=\"3229\"\u003eReliable Installation Component:\u003c\/strong\u003e Commonly used for maintaining safe, organized wiring in underwater 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\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"4967\" data-end=\"4986\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"4987\" data-end=\"5358\"\u003eThe Pentair 78310600 Brass Light Junction Box is used to protect electrical connections for pool and spa lighting systems. This section helps SOSPool.com customers confirm compatibility before ordering, understand why junction box replacement is important, and prepare for installation after delivery. These FAQs support online buyers through fitment and safety planning.\u003c\/p\u003e\n\u003ch2 data-start=\"5360\" data-end=\"5407\"\u003eCompatibility Confirmation Before Ordering\u003c\/h2\u003e\n\u003cp data-start=\"5408\" data-end=\"5467\"\u003eOnline customers often verify conduit size and application.\u003c\/p\u003e\n\u003ch4 data-start=\"5469\" data-end=\"5537\"\u003eHow do I know the 78310600 junction box fits my lighting setup?\u003c\/h4\u003e\n\u003cp data-start=\"5538\" data-end=\"5671\"\u003eIf your pool or spa lighting uses 3\/4 inch conduit for wiring transitions, this junction box is designed to match that configuration.\u003c\/p\u003e\n\u003ch4 data-start=\"5673\" data-end=\"5747\"\u003eCan this junction box be used for replacing damaged light enclosures?\u003c\/h4\u003e\n\u003cp data-start=\"5748\" data-end=\"5849\"\u003eYes, it is commonly used to replace cracked, corroded, or leaking junction boxes near pool equipment.\u003c\/p\u003e\n\u003ch4 data-start=\"5851\" data-end=\"5920\"\u003eWill this work for both new and existing lighting installations?\u003c\/h4\u003e\n\u003cp data-start=\"5921\" data-end=\"6015\"\u003eYes, it is suitable for both new installs and retrofit replacements when conduit size matches.\u003c\/p\u003e\n\u003ch2 data-start=\"6017\" data-end=\"6059\"\u003eInstallation and Setup After Delivery\u003c\/h2\u003e\n\u003cp data-start=\"6060\" data-end=\"6116\"\u003eThese FAQs help customers once the junction box arrives.\u003c\/p\u003e\n\u003ch4 data-start=\"6118\" data-end=\"6168\"\u003eIs installing a brass junction box difficult?\u003c\/h4\u003e\n\u003cp data-start=\"6169\" data-end=\"6259\"\u003eInstallation is straightforward when conduit and wiring are properly prepared and aligned.\u003c\/p\u003e\n\u003ch4 data-start=\"6261\" data-end=\"6324\"\u003eWhy is moisture protection critical for pool light wiring?\u003c\/h4\u003e\n\u003cp data-start=\"6325\" data-end=\"6405\"\u003eWater intrusion can lead to corrosion, shorts, and unsafe electrical conditions.\u003c\/p\u003e\n\u003ch4 data-start=\"6407\" data-end=\"6468\"\u003eWhat should I inspect after installing the junction box?\u003c\/h4\u003e\n\u003cp data-start=\"6469\" data-end=\"6550\"\u003eEnsure all ports are sealed, wiring is dry, and grounding connections are secure.\u003c\/p\u003e\n\u003ch2 data-start=\"6552\" data-end=\"6595\"\u003eShipping, Delivery, and Online Support\u003c\/h2\u003e\n\u003cp data-start=\"6596\" data-end=\"6662\"\u003eThese questions help customers understand the ordering experience.\u003c\/p\u003e\n\u003ch4 data-start=\"6664\" data-end=\"6712\"\u003eHow quickly does the Pentair 78310600 ship?\u003c\/h4\u003e\n\u003cp data-start=\"6713\" data-end=\"6804\"\u003eMost orders ship promptly, with delivery estimates shown at checkout and tracking provided.\u003c\/p\u003e\n\u003ch4 data-start=\"6806\" data-end=\"6863\"\u003eWhat should I inspect when the junction box arrives?\u003c\/h4\u003e\n\u003cp data-start=\"6864\" data-end=\"6946\"\u003eCheck that the brass housing is intact and that all ports are clean and undamaged.\u003c\/p\u003e\n\u003ch4 data-start=\"6948\" data-end=\"7008\"\u003eDo customers often order other lighting parts together?\u003c\/h4\u003e\n\u003cp data-start=\"7009\" data-end=\"7096\"\u003eYes, many order conduit fittings, gaskets, or replacement light cords at the same time.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52439394386220,"sku":"78310600","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/1943\/3260\/files\/PentairBrassLightJunctionBox343Port78310600SOSPool_3.jpg?v=1769802810","url":"https:\/\/www.sospool.com\/products\/pentair-brass-light-junction-box-3-4-3-port-78310600","provider":"SOS Pool \u0026 Spa Supplies","version":"1.0","type":"link"}