{"product_id":"firmerst-18-7-solid-sprinkler-wire-150-ft-18awg-7-conductor-direct-burial-uv-resistant-jacket","title":"FIRMERST 18\/7 Solid Sprinkler Wire 150 ft — 18AWG 7-Conductor Direct-Burial, UV-Resistant Jacket","description":"\u003cp\u003e\u003cstrong\u003eFIRMERST 18\/7 Solid Sprinkler Wire is a 150-foot, 18AWG*7C solid copper irrigation cable built for direct-burial sprinkler systems controlling up to six valves.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty sprinkler cable from FIRMERST combines solid copper conductors with a UV-resistant PVC jacket to deliver reliable low-voltage signal transmission for residential and commercial irrigation systems. Designed to handle up to six valve connections, the 18\/7 configuration balances conductivity and ease of routing, while the sunlight-resistant outer jacket protects against long-term outdoor exposure. The wire is intended for low-voltage systems (30V or less) and is rated for direct burial, offering a straightforward option for new installs, repairs, or upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes this 18\/7 wire suitable for underground sprinkler systems?\u003c\/h3\u003e\n\n\u003cp\u003eThe FIRMERST 18\/7 solid sprinkler wire is constructed with seven individual 18AWG solid copper conductors encased in a rugged PVC jacket that resists UV, dust, and moisture. Solid copper reduces signal loss and corrosion risk compared with cheaper composite conductors, and the jacket’s thickness helps prevent mechanical damage when buried. This combination delivers dependable performance where water and soil exposure are concerns.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e150 feet length for common residential layouts and short commercial runs\u003c\/li\u003e\n  \u003cli\u003eSeven solid copper conductors for multi-valve control (up to six valves)\u003c\/li\u003e\n  \u003cli\u003eSunlight\/UV-resistant PVC jacket for prolonged above- and below-ground exposure\u003c\/li\u003e\n  \u003cli\u003eDirect burial rated and waterproof for typical irrigation installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install FIRMERST 18\/7 cable with my controller and valves?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward: unspool the cable, cut to length, strip conductors, and attach to valve solenoids and the controller according to your system wiring diagram. Because the cable is solid-core, avoid repeated flexing at termination points and use proper strain reliefs or conduit sleeves where the wire enters valve boxes to reduce metal fatigue. Bury the cable at recommended depths or run it through conduit in high-traffic areas for extra protection.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCut and strip conductors to match valve\/controller terminals\u003c\/li\u003e\n  \u003cli\u003eUse waterproof wire nuts or gel-filled connectors for underground splices\u003c\/li\u003e\n  \u003cli\u003eProvide strain relief and avoid tight repetitive bends to reduce fatigue\u003c\/li\u003e\n  \u003cli\u003eBury at recommended depth or route inside conduit where needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this wire work with my low-voltage irrigation system and how many valves can it support?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the FIRMERST 18\/7 cable is intended for low-voltage irrigation systems operating at 30 volts or less. The 7-conductor design supplies a common and six separate control conductors, so you can operate up to six zones directly from one cable run plus a common wire, making it ideal for many home and light commercial controllers. For systems with more zones, use multiple runs or a larger conductor count cable.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with low-voltage irrigation controllers (≤30V)\u003c\/li\u003e\n  \u003cli\u003eSeven conductors provide one common plus six valve control wires\u003c\/li\u003e\n  \u003cli\u003eFor more than six zones, add additional cable runs or expand wiring\u003c\/li\u003e\n  \u003cli\u003eSolid copper reduces resistance and improves signal reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the jacket and what environmental conditions can it handle?\u003c\/h3\u003e\n\n\u003cp\u003eThe PVC jacket on FIRMERST 18\/7 sprinkler wire is formulated to resist sunlight, UV degradation, dust, and moisture, enabling prolonged outdoor and direct-burial use. While the jacket protects against environmental exposure, remember that solid-core conductors are less tolerant of frequent bending or flexing — plan permanent runs and avoid repeated movement. For areas with extreme mechanical stress, place the cable inside conduit or protective tubing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUV-resistant PVC jacket for extended sun exposure\u003c\/li\u003e\n  \u003cli\u003eWaterproof and dust-resistant for underground applications\u003c\/li\u003e\n  \u003cli\u003eDirect-burial rated for typical irrigation trenching\u003c\/li\u003e\n  \u003cli\u003eAvoid repetitive bending to prevent metal fatigue in solid conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The FIRMERST 18\/7 Solid Sprinkler Wire is aimed at homeowners, landscape contractors, and facility maintenance teams installing or repairing low-voltage irrigation systems with up to six zones. It’s a practical choice when you need a reliable, direct-burial rated cable with solid copper conductors and a UV-resistant jacket for outdoor durability. Choose this cable for new lawn or garden installs, routine upgrades, or when replacing worn or damaged irrigation wiring.\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: Is FIRMERST 18\/7 wire suitable for direct burial?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The cable is waterproof, dust-resistant, and rated for direct burial with a UV-resistant PVC jacket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many valves can this 18\/7 cable control?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It provides seven conductors: one common plus six control wires, supporting up to six valve zones.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FIRMERST","offers":[{"title":"Default Title","offer_id":56801816969556,"sku":"B0C9LCY78Z","price":173.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/firmerst-18-7-front-packaging.jpg?v=1786749492","url":"https:\/\/gardenluxe.co.uk\/products\/firmerst-18-7-solid-sprinkler-wire-150-ft-18awg-7-conductor-direct-burial-uv-resistant-jacket","provider":"Gardenluxe Uk","version":"1.0","type":"link"}