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Unable to plug anything into my APC ES 550

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.


Unable to plug anything into my APC ES 550

This was originally posted on APC forums on 2/11/2012

I have a brand new APC ES 550 that I just took out of the box and I cannot plug 3 prong cords into 6 of the 8 outlets. When looking straight down into the outlets on the APC ES 550 I see where the problem is. On 6 of the 8 outlets I see 2 gold plated tabs (1 on each side) almost completely covering the round ground outlet about a half an inch down. These gold plated tabs are only in the ground part so I can still plug 2 pronged cords into these 6 outlets just not 3 pronged cords. The gold plated tabs are about half an inch down and only leave an opening between them of approx 1/16 of an inch. No matter how hard I press I cannot plug any 3 pronged cords into these 6 outlets. Any advise on this problem would be greatly appreciated.