50ft 18 AWG DC Extension Cable, 2.1 x 5.5mm, Black | HDCX50T
HDCX50T is a 50 ft black, 18 AWG DC power extension cable with a 2.1mm inner-diameter x 5.5mm outer-diameter female barrel jack on one end and matching male plug on the other. It extends the distance between a DC supply and a device with matching connections.
Technical specifications
- Part: HDCX50T
- Length: 50 ft (approximately 15.24 m)
- Wire gauge: 18 AWG
- Connector ends: 2.1 x 5.5mm female jack to 2.1 x 5.5mm male plug
- Color: black
Planning a long DC cable run
A 50 ft extension adds resistance to the power path. Voltage drop depends on current draw, conductor construction, connectors, and the complete cable run; a thicker 18 AWG cable does not eliminate it. Before installation, check the device’s required voltage and current, the power supply’s rating, both connector dimensions, and polarity. Measure voltage at the device under load when performance is critical.
Useful for compatible DC-powered equipment where the supply must be farther from the device, such as some lighting, security or control installations. These are examples, not confirmed matches for a particular device. Do not assume the cable or its connectors are weatherproof or rated for exposed outdoor use.
Frequently asked questions
Does the cable set the polarity?
No. A straight-through extension carries the supply’s polarity to the device. Confirm the polarity and connector wiring before connecting.
Can I use it with a 12V or 24V setup?
Only if the supply and device have matching voltage and polarity, the barrel connectors fit, and the voltage reaching the device under load stays within its requirements.
What current can I run over 50 ft?
Do not choose a current limit from wire gauge alone. Confirm the cable assembly and connector ratings, then check voltage drop for your full run and load.
Can I install it outdoors?
No outdoor or waterproof rating has been verified for this cable. Use only in an environment appropriate to its documented rating.
