{"product_id":"oukens-3-8in-through-panel-battery-terminals-2-pc-red-black-bulkhead-connectors-250a-brass-zinc-rubber-insulated","title":"OUKENS 3\/8in Through-Panel Battery Terminals 2‑Pc Red \u0026 Black Bulkhead Connectors 250A — Brass\/Zinc, Rubber-Insulated","description":"\u003cp\u003e\u003cstrong\u003eOUKENS 3\/8in remote through-panel battery terminals are a two-piece positive and negative bulkhead connector set that lets you route high-current battery cables through panels cleanly and securely up to 250A.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese through-panel terminal posts are made to simplify battery cable routing in cars, RVs, boats and other equipment that requires a tidy firewall or bulkhead feed-through. Each kit contains one red (positive) and one black (negative) connector designed to fit a standard 3\/8\" (9.5mm) panel hole. Built with durable metals and resilient rubber insulation, the connectors prioritize corrosion resistance, a smooth mechanical action, and straightforward DIY installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these connectors make wiring neater and safer?\u003c\/h3\u003e\n\u003cp\u003eBy moving the connection point to the panel surface, these bulkhead posts eliminate exposed cable ends tucked behind panels and reduce clutter in engine bays and compartments. The insulated housing and color-coded terminals lower the chance of accidental contact or mis-wiring when connecting accessories or running starter and auxiliary lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides a clean firewall or bulkhead pass-through for battery cables\u003c\/li\u003e\n  \u003cli\u003eRed\/black color coding simplifies positive\/negative identification\u003c\/li\u003e\n  \u003cli\u003eRubber insulation protects against short circuits and abrasion\u003c\/li\u003e\n  \u003cli\u003eMounts flush to a panel for a tidy, professional finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction ensure durability and corrosion resistance?\u003c\/h3\u003e\n\u003cp\u003eThe OUKENS terminals combine wear-resistant brass conductors with high-strength zinc alloy components and a molded rubber insulating collar. These materials were selected to resist salt, humidity and mechanical wear common in marine and automotive environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass studs for reliable electrical contact and low resistance\u003c\/li\u003e\n  \u003cli\u003eZinc alloy hardware for mechanical strength and longevity\u003c\/li\u003e\n  \u003cli\u003eMolded rubber grommet for sealing and vibration damping\u003c\/li\u003e\n  \u003cli\u003eEngineered anti-lock mechanical feature reduces jamming risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation and what tools are required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed for DIYers: the connector fits into a 3\/8\" (9.5mm) panel hole and secures with a nut from the accessible interior side. Basic hand tools—wrenches and a drill or file to prepare the hole if needed—are typically all that’s necessary, and color-coded posts make final hookups fast.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits a standard 3\/8\" (9.5mm) panel hole—verify before fitting\u003c\/li\u003e\n  \u003cli\u003eNo specialized crimping tools required for mounting the terminal\u003c\/li\u003e\n  \u003cli\u003eSecures with exterior post and interior nut for a strong bulkhead seal\u003c\/li\u003e\n  \u003cli\u003eSimple wiring steps suitable for hobbyists and technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these handle high-current loads and where are they best used?\u003c\/h3\u003e\n\u003cp\u003eEach terminal is rated to handle currents up to 250A, making them suitable for heavy accessory circuits, house battery feeds, and starter feed-throughs when used appropriately. They’re commonly used in automotive, RV, marine and off-grid setups where a robust, accessible connection point is needed on a panel or bulkhead.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated for up to 250 amps continuous use in typical installations\u003c\/li\u003e\n  \u003cli\u003eIdeal for starter feeds, solar or inverter battery routing, and accessory power\u003c\/li\u003e\n  \u003cli\u003eDesigned for cars, trucks, RVs, boats, and other powered vehicles\u003c\/li\u003e\n  \u003cli\u003eColor-coded pair reduces wiring mistakes in multi-battery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: If you install or maintain vehicle or marine electrical systems and want a tidy, heavy-duty way to route battery cables through walls or bulkheads, this OUKENS two-piece terminal kit is a practical choice. It suits DIY mechanics, professional installers, RV owners, boaters and anyone upgrading cable routing for easier access, cleaner appearance, and improved safety. Always confirm your panel hole size and wiring requirements before purchase, and follow safe battery-handling practices during installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What panel hole size do these terminals require?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are designed for a standard 3\/8\" (9.5mm) panel hole; confirm your hole size before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these terminals suitable for marine use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — brass, zinc alloy and rubber components offer good corrosion resistance for marine and automotive settings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OUKENS","offers":[{"title":"Default Title","offer_id":48084446838942,"sku":"B0C143NGNW","price":31.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oukens-front-mounted-terminals-on-panel.jpg?v=1785855588","url":"https:\/\/northtrailauto.ca\/products\/oukens-3-8in-through-panel-battery-terminals-2-pc-red-black-bulkhead-connectors-250a-brass-zinc-rubber-insulated","provider":"North Trail Auto","version":"1.0","type":"link"}