The primary side shows a delta-connected transformer winding supplied by phases A, B, and C. The secondary side is a wye-connected winding with phases A, B, and C and a neutral Xo connection sized per the National Electrical Code. A neutral bond connects the neutral bus to the ground bus with a size determined by the National Electrical Code. A grounding electrode conductor connects to the ground bar and is sized per Canadian Electrical Code section 250.66.
GROUNDING ELECTRODE CONDUCTOR CONNECTED TO GROUND BAR AS INDICATED. SIZED PER CEC 250.66 NOTE: SECONDARY SIDE PRIMARY SIDE XO CONNECTION SIZE PER NEC NEUTRAL BOND SIZE PER NEC GROUND BUS NEUTRAL BUS Ø A Ø B Ø C Ø A Ø B Ø C Xo 2
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