Flexible Non Metallic Conduit Uses

Flexible non metallic conduit type lfnc b non metallic conduit is a versatile product that has a variety of applications for indoor and outdoor locations.
Flexible non metallic conduit uses. Outdoor flexible nonmetallic tubing is strong watertight non corrosive and weighs less. As noted in 348 12 fmc shall not be used. Although flexible conduits are easier to work with than rigid conduits it offers less protection for the conductors it carries. Always run a ground wire when using pvc conduit.
Suitable for use with nonmetallic fittings marked for fnmc b or lfnc b for liquidtight flexible nonmetallic conduit type b or with standard metal liquidtight fittings. In basements or cxrawl spaces where moisture in building interiors is a concern. Metal or plastic boxes can be used with nonmetallic conduit. Ent lfnc liquid tight non metallic flexible conduit flexible plastic conduit in attics up to three feet above the bottom of ceiling joists.
Non metallic conduit is used in fixture whips data centers electric signs and outdoor lighting hvac pool and spas and locations with exposure to sunlight and weather conditions and more. What uses are not permitted by the nec for liquidtight flexible nonmetallic conduit. What uses does the nec permit and forbid for flexible metal conduit. Imc conduit is a thicker conduit that is galvanized making it a great choice for outdoor installations.
Liquidtight flexible nonmetallic conduit lfnc the safest among all the flexible electrical conduits invented the liquid tight flexible nonmetallic conduit is both flame resistant and water resistant. Liquidtight flexible nonmetallic conduit cannot be used if. Adapters for flexible plastic conduit. It is primarily used in places where a rigid conduit would be difficult to install as the flexible conduit will bend.
See nmlt connectors for further information. Water heaters can lights and attic vents are great examples of typical flexible conduit installation. Some code compliant pvc fittings can be used with ent inside walls floors some ceilings or encased in concrete. 2 the ambient temperature and or conductor temperature is in excess of its listing.
Attach conduit to a knockout in an outlet box or enclosure. It also is easily damaged unlike imc or rigid conduit. Continuous lengths on reels available in 1 2 and 3 4 diameters only. You can use a liquid tight flexible nonmetallic conduit for areas that are wet damp and where a fire is most likely to develop.
Preventing wear and cracks these grommets shield the sections of your conduit that rub and bang against nearby components. Grommets for flexible plastic conduit. Larger sizes available in non continuous lengths on reels. On the other hand the locations where fmc is not permitted are much more specific.