Avaya Inc.
Installation and Operation
Model EA401
APPENDIX A (cont.)
CLASS II, DIVISION 1 & 2, GROUP E
Atmospheres containing combustible metal dusts regardless of resistivity, or other combustible dusts of similarly hazardous characteristics having resistivity of less than 105
CLASS II, DIVISION 1 & 2, GROUP F
Atmospheres containing carbon black, charcoal, coal or coke dusts which have more than eight percent total volatile material (carbon black per ASTM D1620; charcoal, coal and coke dusts per ASTM D271) or atmospheres containing these dusts sensitized by other materials so that they present an explosion
hazard, and having resistivity greater than 100
CLASS II, DIVISION 1 & 2, GROUP G
Atmospheres containing combustible dusts having resistivity of 100000
NOTE: This appendix is a summary of information contained in the National Electrical Code. Please refer to local applicable Electrical Codes for details and latest update.
APPENDIX B - Applications
The EA401 Explosive Atmosphere Telephone has been approved by Canadian Standards Association (CSA) and listed by Underwriters' Laboratories (UL) for use in explosive atmospheres.
Locations that may require
• | chemical plants | • | defense installations |
• | petrochemical plants | • | munitions storage depots |
• | offshore drilling rigs | • | missile silos |
• | • liquefied natural gas terminals | ||
• | gas plants | • tankers and tanker depots | |
• oil & gas metering facilities | • paint and varnish manufacturing plants | ||
• | refineries | • grain processing and similar industries | |
• | fueling stations | • | bulk loading stations |
• | breweries and distilleries | • | fertilizer plants |
APPENDIX C - EA401 Models and Options
•P4011 Model EA401 Standard Telephone
•P4021 Model EA401 With Internal Ring Detect Relay
•P1011 Model EA401 Assembly With CE20
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