How can I test if my PSU is safe?(before connecting it to everything)

Hi, im going to be installing my new PSU, in to my new system soon. Its an Antec 430 Earthwatts. I have heard good things about them, and well antec is quite good, and i believe they are build by seasonic, a great brand.

I 've heard horror stories about people blowing up their systems just by plugging them in(and powering them up). Is there a way I can test if my PSU is safe before connecting it to my system? I know of the method of connecting the Green pin to the Black, but will that be able to test it? Would a computer shop be able to hook it up? Or am i just going to have to find a dummy system? Please help guys, im really scared about this. Not sure if part warranties will protect me.