B-R15

Clearance and fit — Reference record

Fit includes the stored object, support layers, access space and the way the enclosure is opened. These are separate considerations.

Clearance and fit
Illustrative reference; not a tested product or a certification.
Reference recordWorking notes
OverviewClearance and fit
Practical exampleDescribe where clearance is intended rather than providing one unexplained overall allowance.
Limits and interpretationAn overly tight enclosure can impede access; an overly loose one can allow movement.
Document controlReference edition 2026.11
Measurements and examples are descriptive, not acceptance criteria.

Related references