An existing 150 kVA transformer stepping down from 480V to 120/208V feeds the distribution system through specified conduit and copper conductors. The primary side utilizes 4-inch conduit with four 600 MCM conductors and one 1/0 grounding conductor. The secondary side runs through a 2-inch conduit containing three 4/0 conductors and one number 2 ground, accompanied by a 1-inch conduit with one 1/0 copper conductor. Circuit 5 connects to an existing 225 amp frame, 200 amp trip, three-pole breaker, while circuits 6 through 10 are designated as space.
SPACE 4"C-4#600 MCM & 1#1/0 GRD. "T-CL2" 480V- 1"C-1#1/0 (CU) <10' 6 SPACE <10' (E) 150KVA 120/208V & 1#2 GRD 2"C-3#4/0 7 SPACE 9 8 SPACE SPACE 10 CONCOURSE (E) E 225AF 200AT 3P 5
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