By Miles Nicholson
Many MCC or multiple compartment cubicle manufacturers often will have the same wire numbers used from one cubicle to another even though the wires will not be physically connected and are not considered to be part of the same equipotential. The Installation and Location is the key differentiator between the different instances. Whilst this required functionality is not in accordance with IEC norms, it is assumed that the wire numbers are unique because of their installation and/or location.
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