With primary and secondary OCP, you are allowed 6 disconnects max. Watch your conductor sizes on the secondary.
Read the exceptions under 450.(3)(b) table.
"2. Where secondary overcurrent protection is required, the secondary overcurrent device shall be permitted to consist of not more than six circuit breakers or six sets of fuses grouped in one location. Where multiple overcurrent devices are utilized, the total of all the device ratings shall not
exceed the allowed value of a single overcurrent device."
Last edited by HotLine1; 07/19/11 09:05 PM. Reason: restructure paste