i have'nt seen any posts about particular electrical installation your refering to. but glad to give some yes/no answers about circuits. wire sizes and such. not a fed or a narc. carl05478 at msn dot com.
ps
3000 watts isn't a a real lot. An old household service rated at 230 volts 60 amps can safely handle 12,000 watts (peak rating of 13,800 watts)

Shov