Get full use of your power strips and UPS outlets and double your number of outlets with Power Strip Liberator(R) Plus cables! Just like with the Power Strip Liberator(R) Classic cable you simply plug your big bulky power adapters into our cables and plug the cables into those previously unusable outlets! With the pass-through plug you get twice as many outlets, It still makes a handy 1-foot extension for those situations when you just need a little more cable, SKU: EFLTE155