This is a 25 foot Plenum rated primary power cable for 1 Planar/Clarity 48V Matrix display, 55 & 46" G2 or G3 series not G1. Then you need another 8 foot daisychained cable to the other displays being powered in the chain  ( eBay item number:266709094306 , not included in this item)    You will need to add a 25 foot cat 5/6 shielded signal cables to go with each powered display. Returns accepted for cable still in sealed bag, otherwise restocking fee applies.