Accessibility of junction boxes
1) Pull-in, junction, and outlet boxes, cabinets and gutters, and joints in conductors and cables shall be accessible.
2) A vertical space of 900 mm or more shall be required to provide ready access
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Source: Rule 12-3014, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org