406.3 and flap outdoor covers

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AFAICT as of 2014 NEC, never. I do not see a SFD as meeting the exception. Damp location is different.

406.9(B)
(1) Receptacles of 15 and 20 Amperes in a Wet Location.
Receptacles of 15 and 20 amperes, 125 and 250 volts
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 nonlocking-type receptacles
shall be listed weather-resistant type.

Exception: 15- and 20-ampere, 125- through 250-volt receptacles
installed in a wet location and subject to routine
high-pressure spray washing shall be permitted to have an
enclosure that is weatherproof when the attachment plug is
removed.
 
mphillipps said:
This is a covered patio area. I'd considered it damp not wet. Also would you define: SFD?
Click to expand...

SFD=Single Family Dwelling.

A covered patio may be considered a damp location and a flap can be used.

(A) Damp Locations. A receptacle installed 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 nonlocking receptacles
shall be a listed weather-resistant type.
 
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