NEC (A) (2) states that "the width of the working space in front of the electrical equipment shall be the width of the equipment or 762 mm (30 in), whichever is greater" In addition, this work space shall permit at least a 90degree opening of the panelboard door√70以上 nec working clearance table If you have equipment 1,0A or greater, more than 6 feet wide, you also must have an entrance to/egress from the working space at each end of the working space (2) If you have double the required work space (7 feet in this instance)Location Michigan #2 The entrance does not have to be directly in front of the electrical equipment Per section (2) (a) it has to be continuous and unobstructed An example of a violation would be the electric equipment positioned in a room where working space would be behind the equipment where you could be trapped
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