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En snabb kontroll av NEC 2008-definitionen kan ge ett svar. GFCI-skydd krävs på alla våta och fuktiga ställen. Det krävs också på vissa torra platser, där det anges i koden.
Location, Damp. Locations protected from weather and not subject to saturation with water or other liquids but subject to moderate
degrees of moisture. Examples of such locations include partially
protected locations under canopies, marquees, roofed open porches, and
like locations, and interior locations subject to moderate degrees of
moisture, such as some basements, some barns, and some coldstorage
warehouses.
Location, Dry. A location not normally subject to dampness or wetness. A location classified as dry may be temporarily subject to
dampness or wetness, as in the case of a building under construction.
Location, Wet. Installations underground or in concrete slabs or masonry in direct contact with the earth; in locations subject to
saturation with water or other liquids, such as vehicle washing areas;
and in unprotected locations exposed to weather.
Låt oss också titta på avsnittet 406.8 Behållare i fukt eller våta platser.
(A) 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.
Enligt detta avsnitt kanske du också behöver ett väderbeständigt skydd för behållarna.
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).
Du kanske har lite wiggle-rum om utrymmet är helt omsluterat, men du kan fortfarande överväga GFCI-skydd bara för att vara på den säkra sidan.
Avsnitt 210.8 Jordfelsbrytare-brytare för
Personalen. anger platser som kräver skydd mot skyddsfaktorer.
(A) Dwelling Units. All 125-volt, single-phase, 15- and 20-ampere receptacles installed in the locations specified in (1) through (8)
shall have ground-fault circuit-interrupter protection for personnel.
(1) Bathrooms
(2) Garages, and also accessory buildings that have a floor located at
or below grade level not intended as habitable rooms and limited to
storage areas, work areas, and areas of similar use
(3) Outdoors
Exception to (3): Receptacles that are not readily accessible and are supplied by a dedicated branch circuit for electric snow-melting or
deicing equipment shall be permitted to be installed in accordance
with 426.28.
(4) Crawl spaces — at or below grade level
(5) Unfinished basements — for purposes of this section, unfinished
basements are defined as portions or areas of the basement not
intended as habitable rooms and limited to storage areas, work areas,
and the like
Exception to (5): A receptacle supplying only a permanently installed fire alarm or burglar alarm system shall not be required to have
ground-fault circuit-interrupter protection.
FPN: See 760.41(B) and 760.121(B) for power supply requirements for fire alarm systems. Receptacles installed under the exception to
210.8(A)(5) shall not be considered as meeting the requirements of 210.52(G).
(6) Kitchens — where the receptacles are installed to serve the
countertop surfaces
(7) Laundry, utility, and wet bar sinks — where the receptacles are
installed within 1.8 m (6 ft) of the outside edge of the sink
(8) Boathouses
Beroende på verandaens konstruktion kan eller inte detta utrymme betraktas som "utomhus". Eftersom " utomhus " inte är specifikt definierat, skulle jag flyga på sidan av försiktighet och installera GFCI-skydd och väderbeständiga skydd. Använd din bästa bedömning och definitionerna av fuktiga, torra och våta platser för att fatta ett beslut. Tänk på att inspektören kommer att få det slutliga uttalandet om vad är och inte krävs.