for my house i use an 100 watts powered stage monitor - YorkVille...today the people from the store i bought it from told me that it might me static...but i don't think it's static...it " electrifies " my fingers from 15 to 15 seconds..i think it's from my outlet...i live in an apartment...what can i do about it... ? earth/ground connection...? how ? what device can i use ... just in case.. ?

regards,

cla