20 Pair DC Male Female Jack Plug 2.1x5.5mm Power Connector

Keep your CCTV cameras, LED strip lights, and low-voltage electronics connected and powered with the 20 Pair DC Male Female Jack Plug Connector (2.1 × 5.5 mm). This value pack includes 20 male plugs and 20 female jacks — giving you everything you need to build, extend, or repair custom DC power cables in one go.

The industry-standard 2.1 mm inner / 5.5 mm outer diameter barrel size is universally compatible with most CCTV security cameras, LED strip drivers, routers, and other 12 V DC-powered devices. Each connector features a solid metal contact barrel and a robust plastic housing for a secure, low-resistance connection every time.

Why You'll Love This Connector Set

• 20 matched pairs — 20 × DC male plugs + 20 × DC female jacks in one pack
• Universal 2.1 × 5.5 mm standard — fits the vast majority of CCTV cameras, LED strips, and DC adapters
• Screw-terminal design — no soldering required; attach wires quickly and securely with a small screwdriver
• Solid metal contact barrel — ensures a reliable, low-resistance electrical connection
• Compact black housing — discreet, professional finish that blends into any installation
• Ready to use out of the box — ideal for custom power cable projects, repairs, and installations

Specifications

• Connector size: 2.1 mm (inner) × 5.5 mm (outer)
• Package includes: 20 × male DC plugs + 20 × female DC jacks (40 pieces total)
• Color: Black
• Wiring method: Screw terminal (no soldering needed)
• Compatible with: CCTV cameras, LED strip lights, power supply adapters, routers, and other 5.5 × 2.1 mm DC barrel devices

Common Uses

• CCTV & security camera power wiring
• LED strip light & lighting driver connections
• Custom DC power cable fabrication
• DIY electronics projects and lab benches
• Repair and replacement of worn or damaged DC barrel connectors

For guidance on safe electrical wiring practices in DIY and professional installations, refer to the OSHA Electrical Safety resource.

Frequently Asked Questions

Q: What size are these DC barrel connectors, and what devices are they compatible with?

A: These connectors use the standard 2.1 mm inner / 5.5 mm outer diameter barrel size. They are compatible with the vast majority of CCTV security cameras, LED strip light power supplies, routers, and other common low-voltage DC-powered devices that use this industry-standard size.

Q: Do I need to solder these DC male female jack plug connectors?

A: No soldering is required. Each DC male plug and female jack features a screw-terminal connection, so you simply strip your wire, insert it into the terminal, and tighten the screw — making installation fast and straightforward for both professionals and DIY enthusiasts.

Q: How many connectors are included in this 20-pair set?

A: The pack contains 40 pieces total — 20 DC male plugs and 20 DC female jacks — giving you a complete set of matched pairs for building or repairing multiple DC power cables in a single purchase.