Quote Originally Posted by hecktic View Post
wait wait wait.... why 32amp circuit ???
Because that poster is in the UK. Your plug in North American.

An electrician need only see that plug or its part number (NEMA L5-30) to know exactly what is required.

Wire 12 probably meant 12 AWG wire - which is only 20 amp wire (AWG - American wire gauge). Ignore the salesman. Plug and receptacle define how thick wire must be and the circuit breaker size.

Your electrician will run a new dedicated circuit to a new NEMA 5-30 receptacle. And will install a new 30 amp circuit breaker.

You are running all equipment from that UPS (all must be nearby the UPS) for battery backup (uninterrupted) power. It is not a surge protector. If you need surge protection (and everyone does), then the only effective solution must be installed in the breaker box. And breaker box earthing must be upgraded to both meet and exceed post 1990 code requirements.

Earthing (not a protector) is what actually does protection. Nothing adjacent to electronics is effective surge protection.

View 880 joules in your APC spec. That means only 290 and never more than 585 joules do protection. That means hundreds of joules will magically absorb surges that are hundreds of thousands of joules? Of course not. That means even an APC needs protection provide by one 'whole house' protector and earthing in the breaker box. Superior protection that is for everything in the building - not just that one circuit.