Is it mandatory to have 1 metre clearance from the front of a JB that is mounted on the ceiling in an electrical room? The JB has 3/0 in and out that are spliced. Is it O.K. to have less than one metre if it is located above the switchgear?

Accessibility of Junction Boxes

CEC 12-3014 (2)

A vertical space of 900mm or more shall be required to provide ready access.