Electrical · E-KAJ6Q

Level 4 East and Central Head House Electrical Power Distribution Diagram

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This electrical diagram details the power distribution for the Level 4 East and Central Head House areas, featuring 45kVA 480V to 208Y/120V 3-phase 4-wire power transformers with 3.5% impedance. The system incorporates panel boards such as EDP4048HM, EDP4042HM, EDP4049LM, and EDP4044LM rated at 100A and 225A with 480Y/277V 3-phase 4-wire configuration and 42kAIC short circuit rating. Transformers TNF4106LM and TNF4043LM are fed through 150A 3-pole overcurrent protection and include grounding conductors sized at 3/4-inch conduit with #6 AWG and #2 AWG ground wires respectively.

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