Cisco IE-4000-4TC4G-E Hardware Installation Manual page 81

Hazardous Location Installation Information
This appendix provides hazardous location installation information for the Cisco IE 4000 switches.
Hazardous Area Installation Warnings
Exposure to some chemicals could degrade the sealing properties of materials used in the sealed
Warning
relay device. Statement 381
Warning Failure to securely tighten the captive screws can result in an electrical arc if the connector is
accidentally removed. Statement 397
Warning When you connect or disconnect the power and/or alarm connector with power applied, an
electrical arc can occur. This could cause an explosion in hazardous area installations. Be sure
that all power is removed from the switch and any other circuits. Be sure that power cannot be
accidentally turned on or verify that the area is nonhazardous before proceeding. Statement 1058
In switch installations in a hazardous location, the DC power source could be located away from
Warning
the vicinity of the switch. Before performing any of the following procedures, locate the DC
circuit to ensure that the power is removed and cannot be turned on accidentally, or verify that
the area is nonhazardous before proceeding. Statement 1059
This equipment is supplied as "open type" equipment. It must be mounted within an enclosure
Warning
that is suitably designed for those specific environmental conditions that will be present and
appropriately designed to prevent personal injury resulting from accessibility to live parts. The
interior of the enclosure must be accessible only by the use of a tool.
The enclosure must meet IP 54 or NEMA type 4 minimum enclosure rating standards. Statement
1063
.
A P P E N D I X
Cisco IE 4000 Switch Hardware Installation Guide
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