EXTENSION CORD 50' 12/3 SJTW ORANGE W/ POWER LIGHT. The SJTW Lighted Extension Cord comes with lighted receptacles that allow you to plug your bulky power adapter and other energy-hungry items into it so you can get all the power you need where you need it. They're designed with heavy-duty molded plastics and are polarized and grounded perfectly to any plug you throw in them. Due to all these features, it works perfectly in places such as offices, homes, camps, among others.