Description
SANLIGHT CONNECTION CABLE Q SERIES 40CM is the short-run inter-fixture link cable for the Sanlight Q Series LED system, providing the correctly rated electrical connection between two Q Series panels hung side by side in a compact growing space. We have been supplying Sanlight LED fixtures and accessories to UK growers since 2017 because precision-engineered LED systems require properly specified connection components to perform safely and reliably across thousands of operating hours.
When to Use the 40cm Connection Cable
The 40cm cable length is specifically designed for closely spaced Q Series fixture arrangements — typically when two panels are hung over an 80x80cm or 60x120cm canopy footprint where the fixtures are adjacent with minimal gap between them. At 40cm the cable routes cleanly between fixtures without excess slack that could catch on plants or create clutter above the canopy. For wider fixture spacing, Sanlight’s longer connection cable options provide the additional reach needed without the safety risk of extending the official cable with third-party additions. Always use the shortest cable length that fits your installation neatly to keep the wiring above your canopy tidy and professional.
Electrical Safety and Warranty Considerations
Sanlight Q Series fixtures carry a multi-year manufacturer warranty that is conditional on correct installation using official Sanlight accessories. Using third-party connection cables voids this warranty and may create electrical safety risks in the humid grow room environment where moisture ingress into undersized or incorrectly sealed connectors can cause shorts or insulation degradation over time. The official Sanlight 40cm connection cable uses correctly rated conductors and the proprietary weatherproof connector housing that ensures a positive, moisture-resistant connection between fixtures throughout the fixture’s 50,000-hour rated service life.
Use the Sanlight Connection Cable Q Series 40cm alongside the Sanlight AC T Connector and Sanlight AC Power Cable (UK) for a complete, correctly specified and warranty-compliant wiring system for your Sanlight Q Series LED installation.







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