Cisco IE 3000 Series Hardware Installation Manual page 94

Preparing for Installation
This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage
Warning
Category II applications (as defined in IEC publication 60664-1), and at altitudes up to 2000 meters
without derating. Statement 1068
Explosion Hazard—Do not connect or disconnect wiring while the field-side power is on; an
Warning
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
Explosion Hazard—The area must be known to be nonhazardous before installing, servicing, or
Warning
replacing the unit.
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
This equipment is only suitable for use in Class I, Division 2, Groups A, B, C, D, or nonhazardous
Caution
locations.
Cisco IE 3000 Switch Hardware Installation Guide
B-4
Statement 1082
Appendix B Installation In a Hazardous Environment
OL-13017-01