(3) Smaller Dimensions. Boxes or conduit bodies of dimensions
less than those required in 314.28(A)(1) and
(A)(2) shall be permitted for installations of combinations
of conductors that are less than the maximum conduit or
tubing fill (of conduits or tubing being used) permitted by
Table 1 of Chapter 9, provided the box or conduit body has
been listed for, and is permanently marked with, the maximum
number and maximum size of conductors permitted.
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