Heavy Duty extension cable for power supply with 2.1mm x 5.5mm size barrel plug. 18AWG cord for higher wattage application. Application: Commonly used for LED Strip, LED signage, CCTV security surveillance camera, security DVR, lighting, car, boat, monitors, printers, sensors, external hard drives, audio mixing and recording equipment, and more. For 12 volt or 24 volt CCTV Surveillance Camera - Please check the plug size of the power adapter of your system. Many of the 12 volt and some of the 24 volt power supply uses 2.1mm x 5.5mm size plugs, but not all. Not recommended for 5 volt camera system (very likely different plug size) NOTE 1. Plug Size - Please check your device by measuring the barrel plug of the power adapter. This cable will only accept 2.1mm (inside diameter) x 5.5mm (outside diameter) plugs. 2.1mm x 5.5mm plugs are commonly used for 9v, 12v, and 24v power adapter. However, not all such power adapter uses 2.1mm x 5.5mm barrel plug. Please check the plugs size before purchase. (Small digital device most typically uses different size adapter and will be incompatible with this cable) Works with standard 2.1mm x 5.5mm plug; but not necessary with specialized plug (such as waterproof plugs)2. Power - At 20ft the resistance from the cable can cause some loss of power. Make sure your power supply provides adequate power. (Max amp from power supply should be greater than application's requirement) ***Disclaimer*** - This unit uses UL component (UL2468 cable) to ensure high quality product. However, the entire unit is NOT UL-listed nor is it UL tested.
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