DC Power Cords

DC power cords are electrical cables used to connect two DC devices or a DC device and a DC power source. DC power cords are also known as DC power cables. There are many types of DC products. Examples include DC power supply cords, DC power extension cords, and DC power adapter cords. A DC power supply cord is used to connect a DC power supply to a device that uses DC power. DC power supply cords are available in different lengths and can have either two or three prongs. A DC power extension cord is used to extend the length of a standard DC power cable. DC power extension cords have a plug on one end and one or more sockets on the other. Typically, each end of the cord uses the same type of connector. By contrast, a DC power adapter cord has a different type of plug or receptacle on each end.

Important specifications to consider when searching for DC power cords include cord length, wire shape, jacket material, maximum cable temperature, rated current, and rated voltage. Cord length is measure in feet or meters and includes both connectors. The wire shape can be flat or round. Maximum cable temperature is measured in degrees Fahrenheit or degrees Celsius. Choices for jacket material include polyvinyl chloride (PVC) and rubber. PVC is suitable for indoor use. A rubber jacket is used when DC power cables are subjected to mechanical stresses in dry and damp areas. All DC power cords have an outer jacket to protect and insulate the wire. Some DC power supply cords, DC power extension cords, and DC adapter cords may carry additional specifications.

Common approvals for DC power cords include the UL Mark and the CSA Mark. Underwriters Laboratories (UL) is a non-profit organization that tests components, systems, and materials according to its published standards for safety. Products that receive UL approval bear a UL Mark. Products that bear a CSA Mark have been tested by the Canadian Standards Association (CSA) and meet applicable standards for safety and/or performance. These standards are written and administered by organizations such as the American National Standards Institute (ANSI), Underwriters Laboratories (UL), and CSA International. CSA Marks may appear alone or with indicators. CSA Marks that appear alone are used with products certified primarily for the Canadian market, to the applicable Canadian standards. CSA Marks that appear with the indicators "C" and "US" or "NRTL/C" are used with products certified for both the U.S. and Canadian markets, to the applicable U.S. and Canadian standards. Other certifications and approvals for DC power cords are also available.

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Part Numbers for DC Power Cords