B-4
Cisco IE 3000 Switch Hardware Installation Guide
OL-13017-01
Appendix B Installation In a Hazardous Environment
Preparing for Installation
Warning
This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage
Category II applications (as defined in IEC publication 60664-1), and at altitudes up to 2000 meters
without derating.
Statement 1068
Warning
Explosion Hazard—Do not connect or disconnect wiring while the field-side power is on; an
electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure
that power is removed or that the area is nonhazardous before proceeding.
Statement 1081
Warning
Explosion Hazard—The area must be known to be nonhazardous before installing, servicing, or
replacing the unit.
Statement 1082
Warning
Exposure to some chemicals could degrade the sealing properties of materials used in the sealed
relay device.
Statement 381
Warning
Explosion Hazard—Substitution of components may impair suitability for Class I, Division 2/Zone 2.
Statement 1083
Caution This equipment is only suitable for use in Class I, Division 2, Groups A, B, C, D, or nonhazardous
locations.