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UL Seeks Standards For Electrically Conductive Flooring
Underwriters Laboratories Inc. (UL) is proposing the updated Standard for Safety
for Electrically Conductive Floorings, UL 779, for recognition as an American
National Standard.
UL 779 covers electrically conductive floorings of the completed or finished
type intended for use in hospital operating rooms, arsenals, and other locations
where it is necessary to avoid the accumulation of static electricity. Requirements
for the installation and use of electrically conductive floorings are included
in Chapter 12 of the Standard for Health Care Facilities, NFPA 99. Additional
requirements for the installation of ceramic tile floorings are included in
the Specifications for Electrically Conductive Ceramic Tile installed with Conductive
Dry-Set Portland Cement Mortar, ANSI A108.7
UL 779 does not cover slip-resistance characteristics of electrically conductive
flooring. These requirements do not cover electrically conductive equipment
and materials for use in flammable anesthetizing locations. Although certain
cleaning operations are necessary to maintain the inherent conductivity of a
flooring, these requirements do not cover floorings which require periodic application
of solutions or coatings to produce the required conductivity.
The standard is a revised version of ANSI/UL 779, which is presently recognized
as an American National Standard. UL is seeking review and comment from interested
individuals and organizations to help develop a consensus upon which continued
recognition of UL 779 by the American National Standards institute (ANSI) can
be based. ANSI is a clearinghouse for information on standards and coordinates
development of national consensus standards through voluntary action.
Anyone interested should contact Caren Helms at UL, 12 Laboratory Drive, RTP,
NC 27709-3995, (919) 549-1762 and request a copy of UL 779-NR. The cost of the
standard is $30. Participation will be by correspondence. Those interested should
request their copy now so that all comments can be considered in time to meet
the ASNI deadline for this standard.
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