A Anderson? Series Cable used to connect multiple solar panels together in Series, increasing your total panel voltage. The Anderson? Series Cable is used to connect multiple solar panels together in Series, increasing your total panel voltage. With genuine industry standard Anderson?SB?50 connectors, set up is easy. These high-quality Anderson? plugs are simple and fast to connect with no screw terminals and no risk of poor connections from frayed wires or loose terminals ? just plug and play!