12ft UL-Certified 18AWG DC Extension Cable (2.1mm x 5.5mm) - Heavy Duty, Black | HDCX12T
Heavy-Duty 12ft DC Power Extension Cable — 18 AWG UL2464 | Part: HDCX12T
The HDCX12T is an industrial-grade DC power extension cable engineered for high-reliability, continuous-duty applications. Built with a thick 18 AWG pure copper core and UL 2464-certified flame-retardant jacketing, it delivers maximum current capacity with minimal voltage drop — making it the go-to choice for commercial LED signage, CCTV arrays, and professional AV installations.
Technical Specifications
- Part Number: HDCX12T
- Connector Type: 2.1mm (ID) x 5.5mm (OD) — center positive
- Wire Gauge: 18 AWG (higher current capacity vs. standard 22AWG/24AWG)
- Cable Length: 12 feet (3.66 meters)
- Connectors: 1x Female Jack (input) + 1x Male Plug (output), molded strain relief
- Jacket: UL 2464 component rated — flame retardant, industrial grade
- Color: Black
- Conductor: Pure copper (not CCA)
Common Use Cases & Compatible Devices
- LED light strips and LED signage (12V, 24V systems)
- CCTV and IP security cameras
- Commercial and retail display lighting
- Medical monitors and diagnostic equipment
- Audio mixing boards, recording equipment, and rack-mount gear
- Routers, modems, and networking hardware
- DVRs, NVRs, and external hard drives
- Sensors, actuators, and industrial control systems
Why Choose 18 AWG Over Standard Cables?
Most consumer DC extension cables use 22AWG or 24AWG wire, which limits current capacity and increases voltage drop over longer runs. The HDCX12T's 18 AWG construction supports higher amperage loads and maintains stable voltage delivery across the full 12-foot length — critical for sensitive electronics and commercial installations.
Frequently Asked Questions
Q: What is the maximum current (amperage) this cable supports?
A: The 18 AWG copper conductors support up to approximately 5–7A at 12V for a 12-foot run. Always verify against your power supply's rated output.
Q: Is this cable center positive or center negative?
A: The connector is a standard 2.1mm x 5.5mm barrel connector. Polarity is determined by your power supply — this cable passes through whatever polarity your adapter outputs.
Q: Will this work with my 12V or 24V power supply?
A: Yes. This cable is compatible with any DC power supply using a 2.1mm x 5.5mm barrel connector, regardless of voltage (within the cable's rated current limits).
Q: Is this UL Listed?
A: The cable jacket is UL 2464 component rated (flame retardant, industrial grade). This is a component certification, not a full UL Listed product certification.
Q: Can I use this for OEM or bulk orders?
A: Yes — we maintain high inventory levels for OEM projects, LED signage manufacturing, and display production lines. Contact us for volume pricing.
