replying to bud-- , Let's get it right! wrote:
null wrote:

(B-1 is protection of the cord of a listed device)
Also B-3 (protection of listed extension cords).
15A receptacles are allowed on 20A circuits. You are saying that the
listing requirements of devices and extension cords with a 15A plug do
not allow them on 20A circuits? I see no reason to believe that is true
(and it would be absurd). Perhaps a cite?
Try 110.2 (approved). "Listed" apparatus is normally "approved" and
110.3-A (examination) would not normally be done.
But 110.3-B (used in accordance with listing) is applicable. Fires are
likely from not using according to the instructions.


The regulatory inspection agency has the responsibility for 110.3B also
... and they should understand and acknowledge that Listed equipment will
be interfaced with such branch circuity protection. You either go all the
wall with NEC ... or accept fire and shock hazards as a daily part of
life. If done in strict accordance with NEC, fire and shock hazards
should not exist. This just isn't happening in the real world!

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