Rigid Nonmetallic Conduit - Low Res

Rigid Nonmetallic Conduit – Specification Format
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A. The Carlon rigid nonmetallic conduit system shall be installed
as indicated on the drawings and as specified herein.
B. All wiring shall be installed in Carlon rigid nonmetallic conduit.
All conduit shall be secured by means of proper fittings. All
fittings shall be Carlon.
C. Carlon outlet boxes, fittings and junction boxes shall be used
for all outlets, pull boxes and junction points. (Lighting fixtures
shall not be supported or hung from PVC junction boxes but be
supported in position by other means.)
D. Exposed conduits shall be mounted securely by suitable
hangers or straps with the maximum spacing of points of
supports not greater than indicated by Article 347-8
Supporting of Conduit NEC.
E. Except where embedded in concrete or direct buried, Carlon
conduit shall be supported to permit adequate lineal
movement to allow for expansion and contraction of conduit
due to temperature change.
F. For aboveground installations where temperature change in
excess of 14°C (25°F) is anticipated, expansion joints shall
be installed. See Table 347-9(A) NEC for expansion
characteristics.
G. Proper care shall be taken when field bending is employed
to maintain the internal diameter and wall thickness of the
conduit.
Suggested Format for
Specifying Carlon Nonmetallic
Conduit, Conduit Fittings and
Junction Boxes
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