2-38
Cisco Aironet 1552 Series for Hazardous Locations Installation Guide
Chapter 2 Before You Begin
Additional Considerations for Hazardous Locations
Compliance
The 1552H, 1552SA/1552SD, and 1552WU access points comply with the following versions of
hazardous location certifications:
•
IEC 60079-0 Edition 6.0
•
IEC 60079-15 Edition 4.0
•
CAN/CSA E60079-0: 11
•
CAN/CSA E60079-15: 12
•
UL 60079-0: Edition 6
•
UL 60079-15: Edition 4
•
EN 60079-0: 2012
•
EN 60079-15: 2010
interprets the information on the compliance labels.
Table 2-1
Interpreting the Hazardous Compliance Label
Label Text
Description
Class I, Division 2,
Groups A, B, C, D
Defines the environment in which the access point can be used:
•
Class I—Environment containing flammable gases, vapors, or
liquids
•
Division 2—Environmental classification used by the U.S. and
Canada
•
Groups A, B, C, D—Gas identification for the U.S. and
Canada:
–
A—Acetylene
–
B—Hydrogen
–
C—Ethylene
–
D—Propane
Class I, Zone 2, Group II
Defines the environment in which the access point can be used:
•
Class I—Environment containing flammable gases, vapors, or
liquids
•
Zone 2—Environment classification used in North America
•
Group II—Gas identification for Zone II, which includes:
–
IIa—Propane
–
IIb—Ethylene
–
IIc—Acetylene & Hydrogen
