MALE BARREL CONNECTOR, 5.5MM COAXIAL, SCREW TERMINALS

Name: MALE BARREL CONNECTOR, 5.5MM COAXIAL, SCREW TERMINALS
Brand: LUMENSTARLED
SKU: LS-M-COAX
Price: 3.97 CAD
Availability: InStock

SKU: LS-M-COAX

Brand: LUMENSTARLED

Nothing kills a clean LED install faster than a power connection that won't cooperate — and that's exactly the headache the LS-M-COAX male barrel connector from LumenstarLED was made to solve. This is the little 5.5mm coaxial barrel plug you reach for when you need to join bare wire to a DC power supply, an LED driver or an accessory adapter without breaking out the soldering iron. People search for it under a lot of names — male DC barrel jack, coaxial plug, barrel connector, LED strip power connector — and they all point to the same job: getting low-voltage power where it needs to go, quickly and cleanly. Whether you're wiring a fresh run of LED tape under a kitchen counter, powering an LED panel, feeding an illuminated sign, or simply replacing a damaged plug on an existing setup, this connector slips right into the plan.

The magic here is the screw terminal design. Instead of soldering or crimping, you strip your conductors, slide them into the terminals, tighten with a standard screwdriver, and you're done. That means fast field installs, easy re-terminations when a run changes, and far fewer wiring mistakes in tight cabinets, ceiling cavities or display cases where you're working half-blind. Because the 5.5mm coaxial barrel standard is so widely adopted, the LS-M-COAX mates with the vast majority of DC supplies and drivers already on the market — no custom adapters, no modifications, no guessing games. And a solid mechanical grip matters more than people think: a stable, low-resistance low-voltage DC connection keeps brightness consistent and protects your driver from the kind of flicker and stress that shortens its life.

Homeowners love it for under-cabinet lighting, closet and pantry strips, display shelving and hobby builds. Contractors keep a handful in the van for retrofit and repair work — when a barrel plug gets crushed, pulled or cut, you re-terminate on the spot instead of rewiring the whole run. Small businesses across Canada use it behind signage, backlit menu boards, retail display cases and trade-show fixtures where the power cord takes a beating and needs to be serviceable. Pair it with any DC driver or plug-in adapter using the standard 5.5mm barrel input, and your LED accessory wiring is finished in minutes. Grab a few — you'll use them.

Built for real-world wiring
The LS-M-COAX is a male coaxial barrel connector built around the 5.5mm barrel format, the size that has effectively become the default for low-voltage DC lighting accessories. The body accepts bare stripped conductors through integrated screw terminals, so the connection is mechanical rather than soldered. That's a deliberate choice: a screwed connection can be opened, inspected, corrected and re-tightened, which is exactly what you want on a job site where cable lengths change and repairs happen months after the original install. No heat, no flux, no crimp tool — just a screwdriver.

Clean power for sensitive LED loads
LED systems are fussy about their supply. Loose or oxidized contacts raise resistance, and that shows up as dimmer output at the end of a run, uneven brightness between fixtures, or premature driver failure. The screw terminals on the LS-M-COAX clamp the conductor firmly so contact resistance stays consistent, delivering a stable low-voltage DC connection to your strips, panels or modules. On multi-section installs, a reliable plug at each feed point also makes troubleshooting far simpler — you can isolate one segment at a time instead of chasing a fault through the whole run.

Technical specifications
SKU: LS-M-COAX
Brand: LumenstarLED
Type: Male barrel connector, coaxial
Barrel size: 5.5mm coaxial standard
Termination: Screw terminals, bare wire
Application: Low-voltage DC LED lighting
Category: LED connectors and accessories

Installation and compatibility
Installation is straightforward: cut your two-conductor low-voltage cable to length, strip the ends, confirm polarity, insert each conductor into its terminal and tighten evenly. Give each wire a gentle tug to confirm the clamp is holding before you plug into the receptacle on your LED driver or DC adapter. Because it follows the widely adopted 5.5mm coaxial barrel standard, the LS-M-COAX plugs into the vast majority of DC power supplies, drivers and accessory adapters used in commercial and residential lighting — no adapters or modifications required. Always keep connections inside an enclosure, cabinet or channel protected from moisture, and respect the current rating of your power supply and cable when sizing a run.

Where it earns its keep
Think custom LED strip light wiring where a factory lead is too short, LED panel power connections, under-cabinet lighting rigs in kitchens and workshops, illuminated signage, and retail display or shelving systems. It's equally at home in service work: a crushed plug behind a reception desk, a chewed cord in a display case, or an extension needed after a millwork change. Keep several on hand and you can re-terminate instead of replacing an entire harness. For this item there is no separate spec sheet or IES file in the Documentation tab — the details above cover what you need to spec and install it with confidence.