Seattle Area Client Seattle, WA Harris Group performed an arc-ash hazard analysis of a client's existing medium-voltage power distribution system and part of the low-voltage power distribution system. This required a complete eld investigation of the associated power distribution equipment including feeder sizes and lengths, protective device information including make, model and settings. Harris Group built a complete software model of the medium voltage power distribution system based on existing documents and our eld investigation on EasyPower analysis software. The system was analyzed and recommended device settings were developed. Arc Flash Hazard labels were generated for all applicable equipment. The Challenge: The greatest challenge throughout this project was making sure equip

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