Hi ,  the EUP uniforms don't show up on NPCs , is this only for the player ped ? 

Yes, they are only for the Freemode character models. To get NPC uniforms with a similar design and degree of quality, you'll need RDE which also comes with a lot of other stuff.
I really like said other stuff, but if you want only the ped models i guess you could dive into the files and grab the files you need to replace.

 

My advise is to give RDE a try, though it can be a pain in the ass to get working. You are definitely gonna need a modified gameconfig like this one.

don't install RDE while they are updating it, I would recommend waiting.

to much problems with it atm.

ok , thank's  for the answer Mates...................