--- product_id: 286053942 title: "Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use" brand: "syston cable technology" price: "408612CFA" currency: XOF in_stock: true category: "Syston Cable Technology" url: https://www.desertcart.sn/products/286053942-syston-18-4-thermostat-doorbell-hvac-heating-control-cable-wire store_origin: SN region: Senegal --- # 300V Power-Limited Circuit UV & Sunlight Resistant Easy Pull & Rip Cord Jacket Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use **Brand:** syston cable technology **Price:** 408612CFA **Availability:** ✅ In Stock ## Summary > ⚡ Wire Smart, Live Smart — Power Your Space with Confidence! ## Quick Answers - **What is this?** Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use by syston cable technology - **How much does it cost?** 408612CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/286053942-syston-18-4-thermostat-doorbell-hvac-heating-control-cable-wire) ## Best For - syston cable technology enthusiasts ## Why This Product - Trusted syston cable technology brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Brave the Elements:** UV resistant and RoHS compliant for safe indoor/outdoor use without compromise. - • **Installation Made Effortless:** Smooth, round jacket with rip cord ensures quick, hassle-free setup even in tight spaces. - • **Versatile Low-Voltage Applications:** Ideal for thermostats, doorbells, alarms, intercoms, and more—future-proof your wiring needs. - • **Rated for 300V Power-Limited Circuits:** Supports up to 300 watts, perfect for demanding HVAC and control systems. - • **Pure Copper Conductors for Maximum Efficiency:** Experience unmatched conductivity and reliability with 100% solid copper wiring. ## Overview The Syston 18/4 Thermostat Doorbell HVAC Cable features 100% solid copper conductors rated for 300 volts, ensuring superior conductivity and durability. Its UV-resistant, RoHS-compliant jacket is designed for both indoor and outdoor low-voltage applications, while the installation-friendly design with a rip cord makes setup seamless. UL/ETL listed and riser-rated, this cable is engineered to meet professional standards for HVAC, security, and control systems. ## Description Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use: desertcart.com: Tools & Home Improvement ## Features - This cable Applications:Wiring of thermostat controls, heating & air Conditioning equipment, doorbells ,ouch-plate systems, burglar alarms, intercom systems, annunciator and bell systems, remote control units, signal systems and other low-voltage applications. - Pure Copper Conductors: Our thermostat cable is built with solid pure copper conductors, providing maximum conductivity and reliability to ensure that your systems run smoothly. - 300V (CL3) Power-Limited Circuit Cable: Our cable is rated at 300 volts and classified as a Class-3 (CL3) Power-Limited Circuit Cable, capable of carrying a surge of up to 300 watts. This makes it a reliable choice for even the most demanding applications. - Installation-Friendly Design: With its round, slick jacket and smooth edges, our cable is easy to pull through rough corners and edges. The jacket also features a rip cord for effortless removal during installation. - Sunlight Resistant and RoHS Compliant: Our cable is designed for both indoor and outdoor use, complying with the UL 1581 sunlight resistance requirement for outdoor installations. It is also RoHS compliant, ensuring safety for the environment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FPN1RZX | | Best Sellers Rank | #6,059 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #31 in Electrical Wire | | Brand | Syston Cable Technology | | Brand Name | Syston Cable Technology | | Color | Brown | | Customer Reviews | 4.5 out of 5 stars 80 Reviews | | Gauge | 18 | | Manufacturer | Syston Cable Technology | | Material | Copper | | Material Type | Copper | | Model | 7232 | | Number Of Wires | 4 | | Number of Cable Strands | Multi Strand | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 7232-SP-BN-500 | | Strands | Multi Strand | | Unit Count | 500 Feet | | Voltage | 300 volts | | Wire Diameter | 0.16 inches | ## Product Details - **Brand:** Syston Cable Technology - **Color:** Brown - **Gauge:** 18 - **Material:** Copper - **Number of Cable Strands:** Multi Strand ## Images ![Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use - Image 1](https://m.media-amazon.com/images/I/71YI-RGNHhL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: How many conductors do I need for my thermostat?** A: Choose thermostat wire based on your HVAC system and terminal count. Basic systems may use 2–4 conductors, while many thermostats use 5. Check requirements before selecting 18/2 through 18/10. **Q: Does a smart thermostat require a C-wire?** A: Many smart thermostats use a C-wire for continuous 24V power, but requirements vary by thermostat and HVAC system. Check the manufacturer’s wiring instructions before choosing thermostat wire. **Q: What does CL3R / CMR riser-rated mean?** A: CL3R/CMR thermostat wire is riser-rated for approved vertical runs between floors and through riser spaces, with flame-spread performance suited for riser applications. Follow NEC and local codes. **Q: Can this thermostat wire be used outdoors?** A: This sunlight-resistant thermostat wire may be used for above-ground outdoor installations where permitted. It is not direct-burial cable. Use a direct-burial rated cable for underground installations. **Q: Can CL3R / CMR thermostat wire be used in plenum spaces?** A: Not where CMP plenum-rated cable is required. CL3R/CMR thermostat wire is riser-rated, while CMP cable is intended for plenum and environmental air spaces. Follow applicable local codes. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/286053942-syston-18-4-thermostat-doorbell-hvac-heating-control-cable-wire](https://www.desertcart.sn/products/286053942-syston-18-4-thermostat-doorbell-hvac-heating-control-cable-wire) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-10-19*