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Electrical Codes, Standards, Recommended Practices and Regulations
book

Electrical Codes, Standards, Recommended Practices and Regulations

by Robert J. Alonzo
January 2010
Intermediate to advanced content levelIntermediate to advanced
512 pages
18h 35m
English
William Andrew
Content preview from Electrical Codes, Standards, Recommended Practices and Regulations
of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in
Chemical Process Areas.
The following Tables in NFPA documents can be referenced for information on specific
Materials Group designations and physical properties:
NFPA 70 National Electrical Code
Handbook, Article 500.6: Commentary Table 5.1
Selected Chemicals
TABLE 9.1 Class I and II Material Group designationsdcont’d
Group Materials
505.6 [15]
IIC Atmospheres containing acetylene, hydrogen, or flammable gas, flammable
liquid-produced vapor, or combustible liquid-produced vapor mixed with air that
may burn or explode, having either a maximum experimental safe gap ...
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Publisher Resources

ISBN: 9780815520450