D-2
Cisco IE 4000 Switch Hardware Installation Guide
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Appendix D Hazardous Location Installation Information
Hazardous Area Installation Warnings
Warning
When used in a Class I, Division 2, hazardous location, this equipment must be mounted in a
suitable enclosure with proper wiring method, for all power, input and output wiring, that
complies with the governing electrical codes and in accordance with the authority having
jurisdiction over Class I, Division 2 installations.
Statement 1066
Warning
Use twisted-pair supply wires suitable for 86°F (30°C) above surrounding ambient temperature
outside the enclosure.
Statement 1067
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
Do not connect or disconnect cables to the ports while power is applied to the switch or any device
on the network because an electrical arc can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed from the switch and cannot be accidentally
be turned on, or verify that the area is nonhazardous before proceeding.
Statement 1070
Warning
If you connect or disconnect the console cable with power applied to the switch or any device on
the network, an electrical arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is nonhazardous before proceeding.
Statement 1080
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
Explosion Hazard—Substitution of components may impair suitability for Class I, Division
2/Zone 2.
Statement 1083
Warning
Do not insert and remove SFP modules while power is on; an electrical arc can occur. This could
cause an explosion in hazardous location installations. Be sure that power is removed or the area
is nonhazardous before proceeding.
Statement 1087
Caution
This equipment is only suitable for use in Class I, Division 2, Groups A, B, C, D, or nonhazardous
locations.
