Reno- If I'm reading his post correctly, this would be a tap to a 200a Service switch. Since he is on the load side of fusing, we are talking feeder. In his case there are no actual feeder conductor, only double barrel lugs. This happens sometimes. Since he is terminating in a 100a overcurrent device he could use 100a. wire. The code reference could be 240.21(B)(1). There is no way he could overload the 100a. conductors since there protected due to the tap limitation mentioned above.
Edited by George Little (11/12/09 04:17 PM)
Edit Reason: Big fingers