Change 1, 30 November 1996
REA TE&CM Section 640, Buried Cable Plant Specification.
REA TE&CM Section 643, Underground Conduit and Manhole
Design and Construction.
(Unless otherwise indicated, copies are available from Rural
Electrification Administration (REA), Department of Agriculture, 14th
and Independence Avenue, S.W., Washington, DC 20250.)
UNDERWRITERS LABORATORIES, INC. (UL)
Safety Protectors for Paired Conductor
Safety Secondary Protectors for
Safety Fire Tests of Through-Penetration
Flame Propagation Height of Electrical and
Optical Fiber Cables Installed Vertically in
(Unless otherwise indicated, copies are available from Underwriters
Laboratories, Inc. (UL), 333 Pfingsten Road, Northbrook, IL 60062.)