C22.2 NO. 0.12-M1985 (R2012)
Wiring Space and Wire Bending Space in Enclosures for Equipment Rated 750 V or Less
This Standard applies to enclosed equipment that is to be permanently field
connected to line or load circuits rated 750 V or less.
Minimum wiring space and wire bending space requirements are specified for
field installed wires terminating in or passing through enclosures or terminal
The requirements are considered to be the minima that would permit field wiring
without damage to the wires.
This Standard shall form a part of and be read in conjunction with all
individual standards to which the requirements of this Standard may apply,
except that, where an individual standard contains requirements that are at
variance with those of this Standard, the requirements of the individual
standard shall take precedence.
This Standard does not apply to enclosures of equipment intended to be wired
with conductors that are smaller than No. 14 AWG.