406.9
(A) Damp Locations. A receptacle install ed outdoors in a location
protected from the weather or in other damp locations shall
have an enclosure for the receptacle that is weatherproof when
the receptacle is covered (attachment plug cap not inserted and
receptacle covers closed).
An installation suitable for wet locations shall also be considered
suitable for damp locations.
A receptacle shall be considered to be in a location protected
from the weather where located under roofed open porches,
canopies, marquees, and the like, and will not be subjected to
a beating rain or water runoff. All 15- and 20-ampere, 125-
and 250-volt non locking receptacles shall be a listed weather resistant
type.
(B) Wet Locations.
(1) Receptacles of 15 and 20 Amperes in a Wet Location.
Receptacle s of 15 and 20 amperes installed in a wet location
shall have an enclosure that is weatherproof whether or not the
attachment plug cap is inserted. An outlet box hood installed
for this purpose shall be listed and shall be identified as extra
duty. All 15- and 20-ampere, 125- and 250-volt non locking type
receptacles shall be listed weather-resistant type.
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