BASIC NEC CODE RULES AND DESIGN PRACTICE

NEC 240-6 and 240-3 exception 1, conduit-size, 3 #4 in conduit Table 3A = ... 600 3-3/0 Parallel 480. 700 3-4/0 Parallel 560. 800 3-300 MCM Parallel 640 ... Service Entrance to Transformer 2%. Building Electrical Design Order . Select voltage, phase. Do lighting calculation and layout lighting. ................
................