Bringing electrical "Up" to code

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THe previous electricians thought they could get away with this dangerous mess.

From a 100A. 3 Phase sub service disconnect that previously powered a compressor, they tapped from the non-fused load side with smaller 30A. wires and followed a route through existing pipe and with their own new conduits to power three (3) 20A. 3 Phase exhaust fans. No over current protection and went from 100A. wires to 30A. wires to 50A. wires back to 30A. wire sizes again.

They were called back to explain the installation.

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