Static Electricity 2000 Edition


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NFPA 77 Static Electricity

D.1.54 Tribocharging.
Charge separation caused by the rub-
bing of surfaces, creating triboelectricity; also see definition
D.1.12, Charging, Triboelectric.
D.1.55 Triboelectric Series.
When different materials are
rubbed together, charge is transferred. Many researchers
working in the field of triboelectricity have set up triboelectric
series to show which combination of materials would receive
which charge. There is some agreement on the locations of
some materials, but most of the series are very dissimilar, even
when the same materials are used.
D.1.56 Upper Flammable Limit (UFL).
The highest molar
(or volume) concentration of a combustible substance in an
oxidizing medium that will propagate a flame.
Appendix E
Referenced Publications
E.1
The following documents or portions thereof are refer-
enced within this recommended practice for informational
purposes only and are thus not considered part of its recom-
mendations. The edition indicated here for each reference is
the current edition as of the date of the NFPA issuance of this
recommended practice.
E.1.1 NFPA Publications.
National Fire Protection Associa-
tion, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02269-
9101.
NFPA 30A, Code for Motor Fuel Dispensing Facilities and Repair
Garages, 2000 edition.
NFPA 69, Standard on Explosion Prevention Systems, 1997 edition.
NFPA 70, National Electrical Code
®
, 1999 edition.
NFPA 99, Standard for Health Care Facilities, 1999 edition.
NFPA 302, Fire Protection Standard for Pleasure and Commercial
Motor Craft, 1998 edition.
NFPA 318, Standard for the Protection of Cleanrooms, 2000 edition.
NFPA 407, Standard for Aircraft Fuel Servicing, 1996 edition.
NFPA 780, Standard for the Installation of Lightning Protection
Systems, 1997 edition.

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