UL 651A PDF
Price range: $72.36 through $144.72
High Density Polyethylene (HDPE) Conduit
1 Scope
1.1 These requirements cover smooth-wall straight length and coiled continuous length conduit with a circular cross section, including elbows. Included are Schedule 40, Schedule 80, EPEC-A, EPEC-9, EPEC-11, and EPEC-13.5 high density PE electrical conduit.
1.2 The conduit mentioned in 1 are intended for use at 50 °C (122 °F) and lower ambient temperatures. HDPE conduit, where directly buried or encased in concrete in trenches outside of buildings, may be used with 90 °C (194 °F) wiring.
1.3 The conduit covered in these requirements are intended for use as rigid nonmetallic raceway for wires and cables in accordance with the National Electrical Code, NFPA 70.
1.4 HDPE conduit is for aboveground use where encased in not less than 2 inches (50 mm) of concrete and for underground use by direct burial or encasement in concrete.
Summary of Topics
This revision of ANSI/UL 651A dated January 3, 2024 includes the following changes:
– Referenced Publication Corrections; Section 3 and Section 3A
– IGEPAL Trademark Statement; 4.1
– Move Tensile Strength Section; Table 7.1, Section 8 and Section 7.5
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