The extension cords extend the length of an existing power cord; The 3 prong extension cord is rated for Indoor use with equipment such as a desktop computer?? HDTV?? LED-lit monitor?? ceiling mounted projector?? powered speakers?? laser printer and more; The indoor extension cord connects an existing cable to a to a standard 3 pronged 120V AC outlet receptacle16 AWG gauge three prong extension cord is rated for 13 amps to support common voltage power requirements in the home or officeSturdy but flexible grounded extension cord is safer and more reliable at longer distances than a thinner 18 AWG power cable extension; Fully molded strain relief connectors provide long life and durabilityHeavy duty power cord extension with a standard NEMA 15-5-P grounded power plug and 3 pin female NEMA 5-15R connector; SJT 13A/1625W rating easily extends a TV power cord from an HDTV with a power consumptionUniversal compatibility with most common household small appliances and consumer electronics; Cost-effective 2-pack of power extension cables includes a lifetime warranty and product support