Explosive Atmosphere Telephone
Contents
1. 2 aa Loon ci ne neut 2 APPENDIX C EA401 Models and Options 2 Table of Figures Fig re i um 2 Figure 2 DIMENSIONS crt oot n em Eu etin 2 Figure 3 Typical Installation rtr ERRARE Redi ed End 2 Figure 4 Lower Junction Box Wiring 2 Figure 5 Fuse Replacement eae aep ye Rod to Fo euo 2 Figure 6 Handset Replacement oco tert CR IRR RR REIS 2 Figure 7 I D and Compliance RO 2 Package Contents 1 EA401 Telephone 1 Installation amp Operation Manual Page 2 Avaya Inc Installation and Operation Model EA401 Overview Model EA401 Explosive Atmosphere Telephone This Explosive Atmosphere telephone provides safe and reliable communication in hazardous locations up to and including Class Division 1 Only standard wiring and fittings are required to connect the telephone to the system no barrier is necessary Since the heavy duty cast aluminum enclosure is basically soundproof an external device to signal incoming calls is required Features Enclosure e cast copper free aluminum with powder coat finish Internal Sealed Cavities e completely seal the unit Keypad e standard configuration with an additional row of buttons for2. C amp D CLASS II DIVISION 1 GROUPS E F amp G CLASS III ENVIRONMENTAL SURVIVABILITY MIL STD 810E TELEPHONE FOR USE IN HAZARDOUS LOCATIONS Exia CLASS GROUPS B C amp D Associated equipment CLASS ZONE 1 GROUPS IIB H2 Apparelllage Connexe CLASS II GROUPS E F amp G LISTED ENCLOSURE TYPE 4 RECEPTACLE PROVIDES INTRINSICALLY SAFE OUTPUT USE ONLY MODEL EA10H LR65547 HANDSET WITH THIS TELEPHONE 13X8 RELAY CONTACTS 10 1 SHP 240V AC 10A 1 3HP 120V AC 10A 30V DC FUSE 0 25A 48VDC TYPE 2AG FAST ACTING COMCODE 700302045 SER NO MOD NO EA401 REFER TO USER GUIDE FOR INSTALLATION MADE IN CANADA Figure 7 LD and Compliance Page 13 Avaya Inc Installation and Operation Model 401 Government Certification Attached to the telephone are labels for Industry Canada and the United States Federal Communications Commission These identify equipment certifications indicating the 60 and 70 series telephones meet certain telecommunications network protective operational and safety requirements These agencies do not guarantee the equipment will operate to the user s satisfaction Before installing this telephone equipment users should ensure it is permissible to connect the equipment to facilities of the local telecommunications company Equipment must be installed using acceptable connection methods In some cases the telephone users inside wiring associated with a single line servi
3. of the Tip Fittings compatible telephone s lower sealing cavity and bring telephone wires into this box with 1 2 inch NPT nipples conduit or 1 2 inch explosion proof flexible couplings not exceeding 45 7 mm 18 inches may be fitted directly Page 6 Inc Installation Operation Model EA401 SUGGESTED MOUNTING HEIGHT 1 4m 4 6 DEF 3 6 9 EA401 EXPLOSIVE ATMOSPHERE TELEPHONE xi lt 5 lt LO lt EXPLOSION PROOF UNION FITTING SEALING FITTING TIP RING GND FROM CO OR PBX Figure 3 Typical Installation Page 7 Avaya Inc Installation and Operation Model EA401 Wiring For Tip amp Ring After mounting the telephone follow these steps Run tip ring and ground wires from the local exchange into the lower junction See Figure 4 Lower box The tip and ring wires must not be connected to the local exchange until Junction Box Wiring installation is completed A sealing fitting must be installed within 45 7 cm 18 on the exchange side of the lower junction box Attach the tip and ring wires to the orange and blue wires from telephone using twist on wire connectors Attach 10 ring lugs to the end of the three green wires and attach these wires to the ground screw in the junction box For tone DTMF dialing operation of the telephone connect the two brown wires together and protect the connection with a tw
4. Last Number Redial Link Flash to access PABX features and Line Release to duplicate hanging up the handset e one inch diameter buttons for gloves on operation Circuitry Coating e circuit boards have a UV cured epoxy coating which provides protection from corrosive agents such as H2S SOs and and environments with high humidity Magnetic Reed Hook Switch e no moving parts activates when the handset is removed from or placed in the telephone cradle Tone DTMF Operation selectable in the field factory set to operate to tone DTMF exchanges Intrinsically Safe Handset Operation e the output from the telephone to the handset passes through an intrinsically safe barrier ensuring a high degree of safety Field Replaceable Handset e the 10 handset cord is designed for industrial applications and is attached to the telephone by a connector for ease of replacement Field Replaceable Fuse e a fitting in the bottom of the enclosure provides access to the fuse Hearing Aid Compatibility e the handset is compatible with inductively coupled hearing aid devices Page 3 Inc Installation Operation Model EA401 MAGNETIC REED HOOK SWITCH Ramee _ INTRINSICALLY SAFE HANDSET LI PRODUCTION IDENTIFICATION LABEL N ABG DER E VDG 2 6 HANDSET CORD Lo ids E Z 8 9 m OPER LINK Mmmm REDIAL PBX TRANSFER L RELEASE WARNING LABEL 1 kn MOUNTING LUG i
5. Ring Detect Relay P1011 Model EA401 Assembly With CE20 Line Powered Explosion Proof Ringer Page 18 Installation Operation Model EA401 Notes Model No Part No Serial No Date of Purchase Page 19 Avaya Inc 211 Airy Road Basking Ridge NJ 07920 Toll free 1 866 GOAVAYA 1 866 462 8292 Outside the US 1 908 953 6000 WWW avaya com Avaya Inc 2003
6. TIP RING GROUND WIRES ENTRY POINT FUSE HANDSET CORD CONNECTOR Figure 1 Features 10 1 257mm 90 4 10mm Le 2PLCS 8 5 216mm 4 _ 4 4 111 _ 4 9 124mm i T i E RBC DEF RBC DEF 1 2 3 1 2 MNO FIKO 4 56 5 6 PRSS T PREY TU WY 7 8 9 SA 9 E e OPER OPER io I y e 1 e 0 us ww rus 1 20 3 O9mm 2 46 117 2 PLCS Figure 2 Dimensions 4 Avaya Inc Installation and Operation Model EA401 Warnings In no case should this telephone apparatus or wiring be installed in a location where acetylene may be present in the atmosphere Two back cover retaining bolts on the model EA401 are factory sealed Damage to the seals voids the warranty and safety approvals and may compromise unit safety It is the responsibility of the installer to advise a supervisor if any telephone equipment or wiring in a hazardous location may not comply with regulations and standards applicable to that location Avoid creating a spark by striking tools or metal objects together against concrete stone or any similar substance Test equipment capable of producing an electric spark must not be used in an explosive atmosphere All apparatus should be completely assembled a
7. each call NOTE If the handset is being replaced because of an apparent telephone malfunction and the replacement fails to restore normal operations contact the manufacturer to arrange return of the unit for repair EA401 EXPLOSIVE lt lt ATMOSPHERE TELEPHONE HANDSET JACK KNURLED COLLAR is HANDSET PLUG Figure 6 Handset Replacement Model 401 See Figure 6 Handset Replacement Page 10 Avaya Inc Installation and Operation Model 401 Operating Instructions Remove handset from cradle See Figure 1 Features Listen for a dial tone and then dial the appropriate digits for the feature desired Upon completing a call hang up by returning the handset to the cradle Calls are answered by lifting the handset from the cradle To make another call without returning the handset to the cradle press the RLS release button Page 11 Avaya Inc Installation and Operation Model EA401 Electrical Performance Engineering Specifications AUDIBLE RANGE FREQUENCY RESPONSE 300 3400 Hz DiALING METHOD IEEE DTMF 40 60 PULSE 10 PPS TRANSMIT OBJECTIVE LOUDNESS RATING TOLR 38 4 dB RECEIVE OBJECTIVE LOUDNESS RATING ROLR TYPICAL 52 4dB SIDE TONE OBJECTIVE LOUDNESS RATING SOLR TYPICAL 20 3 DB RINGER OUTPUT N A FCC RINGER EQUIVALENCE 0 9 A 1 9B FLASH 600 MSEC TIMED DISCONNECT REDIAL 13
8. generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been tested and found to comply with the limits for Class A computing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference Interference There is no guarantee that interference will not occur in a particular installation If interference to radio or television reception from this equipment is suspected proceed as follows 1 Unplug the set check for the interference 2 Re orient the receiving antenna 3 Relocate the set with respect to the receiver 4 Move the set away from the receiver If necessary consult the supplier or an experienced radio television technician for additional suggestions FCC Rules and Ringer Equivalence Number This equipment complies with Part 68 of the FCC Rules On the side of this equipment is a label that contains among other information the FCC registration number and ringer equivalence number REN for this equipment If requested this information must be provided to the telephone company The R
9. Basking Ridge NJ 07920 211 Mt Airy Road Explosive Atmosphere Telephone Model EA401 Installation amp Operation J EN NX LINK RLS REDIAL BN VA 005975 11 13 2003 5 24 Avaya Inc Installation and Operation Model EA401 Table of Contents Package COMING iy eoo ebd aa 2 e l ETE 2 Feat re Sasi easi 2 E E E A E 2 General Requirements to tend 2 Installingi ne BA4OT E 2 Wiring For Tip amp RINO soe qe ee cians utet teo odori Que 2 Fuse Replacement u ee tantes iau x RAT M e e PA Los dre 2 Replacement Of EA10H Telephone Handset Assembly 2 Operating Instructions tees Beretta emi Se epu snae 2 Engineering SpecifIGatlOns cetero to ettet La feld tates 2 uicit LL 2 Perinde M M 2 M 2 Service Telephone 004044 1 00000 2 Avaya Product etui ea duds dedi ade 2 APPENDIX A Hazardous Location Classification
10. DIGITS MAXIMUM MAXIMUM LOOP 15 4 500 M 22 AWG COPPER Electrical Requirements LINE VOLTAGE 24 56 VDC LOOP CURRENT 20 120 RINGER DETECT RELAY SENSITIVITY OPTIONAL 40 100 V 16 25 Hz CONNECTION METHOD FACTORY SEALED WIRING THROUGH 1 2 CONDUIT ENTRY FUSE 2AG 0 25 AMP 250 VOLT Environmental WEATHERPROOF amp WATERTIGHT ENCLOSURE NEMA 4 TEMPERATURE 40 To 60 C 40 To 140 F HUMIDITY 0 TO 95 RH NON CONDENSING DUSTPROOF 3 2 FLAT FLANGE DUSTPROOF JOINTS Mechanical HOOK SWITCH CRADLE SWITCH LIFE gt 1 000 000 OPERATIONS BODY CONSTRUCTION COPPER FREE CAST ALUMINUM WITH POWDER COAT FINISH DIMENSIONS 325 X 173 X 122 MM 12 8 X 6 8 X 4 8 INCHES NET WEIGHT 7 95 kG 17 5 LBS HANDSET MATERIAL HiGH IMPACT ABS HANDSET CORD 3 0 M 10 FT FiELD REPLACEABLE WiTH LOW TEMPERATURE POLYURETHANE JACKET MICROPHONE DYNAMIC Page 12 Avaya Inc Installation and Operation Model EA401 RECEIVER HEARING AID COMPATIBLE DiAL PAD STANDARD MOUNTING OVERSIZED ALUMINUM BUTTONS ON 1 125 GRID VERTICAL WALL CONNECTION FITTINGS Compliances INDUSTRY CANADA FCC CSA UL Ye NPT CONDUIT ENTRY 1012 4339 A HQHCAN 65560 TE E LR65547 18 13X8 amp E117495 WEATHERPROOF amp WATERTIGHT ENCLOSURE NEMA 4 HAZARDOUS LOCATION APPROVALS CLASS 1 DIVISION 1 GROUPS
11. EN is used to determine the quantity of devices which may be connected to the telephone line Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call In most but not all areas the sum of the RENs should not exceed five To be certain of the number of devices that may be connected to the line as determined by the total RENs contact the telephone company to determine the maximum REN for the calling area Service changes and Limitations The telephone company may make changes in its facilities equipment operations or procedures that could affect the operation of the equipment If this happens the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service This equipment can not be used on public coin telephone service as provided by your telephone company Connection to party line service is subject to state tariffs contact the state public utility commission public service commission or corporate commission for information Page 14 Avaya Inc Installation and Operation Model EA401 Warranty Avaya warrants your product to be free of defects in material and workmanship for a period of one year Avaya will repair or replace any defective unit that is under warranty free of charge This warranty is null and void if any non authorized modifications have been made to this product or if it has been subjec
12. MA e When a product has been installed following user manual instructions and the unit fails to operate the user must contact Avaya to obtain authorization to return the product This can be done by completing a RMA form online at www Avaya com or by calling the service telephone number given in this manual e After providing information on the product the owner and the nature of the problem Avaya will issue a RMA number to be shown on documentation returned with the product e addition to the RMA number shipping documents should include name address and telephone number of the owner along with contact information for the person responsible for the repair and or the user who identified the malfunction e Where a product is being returned for repair from outside of USA customs documentation must show the product s serial number date of export date of purchase and a notation that the equipment is USA goods returning Step Factory Authorized Service e Once received each product is carefully inspected and tested If the product is under warranty repairs are completed and the product returned to the owner generally within five working days of receipt by the factory e A product that has been subjected to misuse neglect or accident or is beyond the warranty period will be evaluated The service department will provide the owner s representative with a repair cost estimate Once approved re
13. ce may be extended by a certified connector assembly telephone extension cord The customer should be aware that in some situations compliance with the above conditions may not prevent degradation of service Repairs to certified equipment should be made by a supplier designated authorized maintenance facility For their own protection users should ensure the electrical ground connections of the power utility telephone lines and internal metallic water pipe systems if present are connected This precaution may be particularly important in rural areas CAUTION Users should not attempt to make ground connections but should contact the appropriate electrical inspection authority or electrician Load Number LN The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop used by the device Termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all the devices does not exceed 100 Notification to Telephone Company Upon request the customer must notify the telephone company of the particular line to which the connection will be made and provide the Industry Canada or FCC registration number The local telephone company may request disconnection of the telephone where alterations or malfunctions affect the telephone s performance United States Federal Communications Commission This equipment
14. equire five full threads of engagement for the close up plug NOTES A field replaceable fuse is available on EA401 models manufactured after Jan 1 1997 If on reconnecting power the fuse fails check the telephone system wiring The fuse protects the tip and ring line from the telephone system It is usually powered at 48 volts DC and should not be connected to 120 volts AC i gt 5 9 Inc Installation Operation Replacement Of EA10H Telephone Handset Assembly Note The handset cord is a 3 0 m 10 ft long coiled cable designed specifically for use with the EA401 telephone If damaged the assembly may be replaced in the field Only an EA10H handset assembly may be connected to the EA401 Explosive Atmosphere telephone e Completely unscrew the upper knurled collar e Pull the old plug straight down e Inspect the inside of the socket and the threads for dirt or damage clean as necessary e For safe installation the new handset MUST be placed firmly in the cradle PRIOR to engaging the plug in socket e Bring the new plug up to the socket and rotate the plug until the slot in the shell lines up with the key in the socket Insert plug into socket e Screw the upper knurled collar onto the socket Hand tighten only Do Not use a wrench e Call back and forth to another set to check functionality e Hang up firmly between
15. ist on wire connector For pulse dialing operation of the telephone separate the two brown wires and insulate the ends to prevent accidental contact with the interior of the junction box Check the wiring and close the junction box TO EA401 GROUND GREEN TIP amp RING TONE PULSE SWITCH BLUE amp ORANGE BROWN NOT POLARITY SENSITIVE S TONE PULSE CONNECT FROM EXCHANGE WIRES AND KEEP WIRES AS ISOLATED TIP RING GROUND Figure 4 Lower Junction Box Wiring Page 8 Avaya Inc Installation and Operation Model EA401 Fuse Replacement Disconnect the telephone from tip and ring power supplied by the PABX or See Figure 5 Fuse central office before attempting to replace the fuse Replacement Remove the 1 2 NPT close up plug item A with a 1 4 Allen key Remove fuse holder cap item B with a flat blade screwdriver Rotate fuse holder cap 1 4 turn counterclockwise to the left to remove Remove fuse item C from the cap and insert replacement fuse WARNING Replace only with a 0 25 amp 2AG fuse Failure to do so will void safety approval and warranties and may create an explosion hazard With fuse mounted in the cap re install in the fuse holder with a flat blade screwdriver and rotate 1 4 turn clockwise to the right to lock in position Screw the 1 2 NPT close up plug into housing with a minimum of five full threads of engagement ATTENTION CSA amp UL standards r
16. ll supply you with an RMA return materials authorization number over the telephone or through our web site product return page This number must be included with your return address and the name of the person to contact Avaya Inc 211 Mt Airy Road Basking Ridge NJ 07920 Toll free 1 866 GOAVAYA 1 866 462 8292 Outside the US 1 908 953 6000 WWW avaya com Page 15 Avaya Inc Installation and Operation Model 401 Avaya Product Return Avaya products have been quality tested and are in full working order when shipped from the factory given the rugged nature of these products shipping is not expected to damage a unit In the unlikely event of a malfunction Avaya follows the three step procedure below Step On Site Correction e The most common source of difficulties with new product is improper installation in one of two ways incorrect wiring connections or connection to an incorrect power source e Product wiring needs to be properly connected to the on site wiring Correct wiring instructions are shown the user manual included with the product e Connecting a telephone to a standard power source rather than tip amp ring will blow the telephone s internal user replaceable fuse In the event of fuse burn out disconnect the telephone from the power source replace the fuse and reconnect following the wiring diagrams provided with the product Step Il Return Materials Authorization R
17. nd properly sealed before reconnecting power General Requirements 401 telephone should only be installed with proper authorization It is necessary for the customer and the telephone company to have a definite agreement regarding the location of the telephone unit auxiliary apparatus and protector i e lightning arrestor at the demarcation block NOTE To maintain maximum protection broken or worn parts must be replaced immediately Any abnormal conditions should be immediately corrected Periodic inspections are recommended Unless otherwise specified the customer must provide and install explosion proof conduit and fittings approved by the Canadian Standards Association CSA or listed by Underwriters Laboratories UL The customer is also responsible for having the system inspected and approved by the appropriate electrical inspector in accordance with local legal requirements and National Electrical Code Standards 401 telephone sets and associated external bells and control relays are designed to provide security against ignition of the surrounding atmosphere All parts of the apparatus which might produce an electrical spark are completely enclosed All passages to the outside are made such that any spark or flame will be cooled to a temperature below the ignition threshold before reaching the outside atmosphere If the handset or cord is damaged it must be replaced with part EA10H handset assembly Handsets and co
18. pairs are completed and the product returned generally within five working days Page 16 Avaya Inc CLASS DIVISION 1 amp 2 GROUP B acrolein butadiene manufactured gases containing more than 3096 hydrogen by volume formaldehyde gas hydrogen CLASS DIVISION 1 amp 2 GROUP C acetaldehyde allyl alcohol butyl mercaptan n butyraldehyde carbon monoxide crotonaldehyde dicyclopentadiene diethyl ether diethylamine di isopropylamine dimethylamine 1 4 dioxane di n propylamine epichlorohydrin ethylene ethylenimine ethyl mercaptan n ethyl morpholine hydrogen cyanide hydrogen selenide hydrogen sulfide isobutyraldehyde Isopropyl glycidyl ether methylacetylene methylacetylene propadiene methyl ether CLASS DIVISION 1 amp 2 GROUP D acetic acid acetone acetonitrile acrylonitrile allyl chloride ammonia 3 n amyl acetate sec amyl acetate benzene butane 1 butanol butyl alcohol ethyl benzene ethyl chloride ethylenediamine ethylene dichloride ethyl glycol monomethyl ether ethyl formate gasoline heptane heptene hexane 2 hexanone 2 butanol secondary butyl alcohol hexenes n butyl acetate sec butyl acetate butylamine butylene chlorobenzene chloroprene cyclohexane cyclohexene cyclopropane 1 1 dichloroethane 1 2 dichloroethylene 1 3 dichloropropene di isobutylene ethane ethanol ethyl acetate ethyl acrylate ethylamine isoamyl acetate isoamyl alcohol isob
19. rds are not covered under warranty other than to be free of defects at time of installation If the telephone is found to be defective or in need of repair it must be returned to the manufacturer No field repair is possible other than replacement of the handset and fuse Telephones in good condition may be moved from one location to another Page 5 Avaya Inc Installation and Operation Model EA401 Installing the EA401 Declassify the hazardous location before proceeding with any Caution Installation or installation or electrical wiring electrical wiring in a hazardous location could result in serious injury to personnel or damage to property Follow all appropriate electrical codes and use only approved electrical fittings for the installation Choose a wall location that is free of obstructions and permits space for See Figure 3 Typical NPT conduit runs Installation Ensure mounting can support 16 5165 7 5kg plus the weight of any peripheral equipment Ensure that none of the electrical connection circuits are live Use the template provided to locate and drill holes for mounting screws See Figure 2 Use 1 2 bolts or screws to mount the unit Dimensions Secure the unit to the wall Tip Use bolts or screws to secure the unit to the wall Attach lower conduit nipples to the telephone and ensure a minimum five thread engagement Mount an approved explosion proof junction box within 45 7 cm 18
20. re 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 ohm centimeter but equal to or less than 108 ohm centimeter CLASS Il DIVISION 1 amp 2 GROUP G Atmospheres containing combustible dusts having resistivity of 100000 ohm centimeter or greater 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 explosion proof equipment include chemical plants e defense installations petrochemical plants e munitions storage depots offshore drilling rigs e missile silos land based drilling rigs e liquefied natural gas terminals gas plants e tankers and tanker depots oil amp gas metering facilities e paint and varnish manufacturing plants refineries e grain processing and similar industries fueling stations bulk loading stations breweries and distilleries e fertilizer plants APPENDIX C EA401 Models and Options P4011 Model EA401 Standard Telephone P4021 Model EA401 With Internal
21. ted to misuse neglect or accident This warranty covers bench repairs only such repairs must be made at Avaya or an authorized service depot Avaya is not responsible for costs incurred for on site service calls freight or brokerage A return authorization must be obtained prior to warranty claims or repairs Disclaimer The products covered by this manual are designed for use in Industrial Environments and or Hazardous Locations Due to the range of possible applications for these instruments the manufacturer will not be responsible for damages or losses of any kind suffered as a result of the use of this product including consequential damages Warning Avaya s Model EA401 Explosive Atmosphere telephone must NOT be opened by the user doing so voids the warranty and safety approvals The EA401 handset and fuse are externally accessible parts which may be safely serviced by the user following procedures described in the manual Service Telephone Number Avaya provides a customer service telephone number which is toll free within North America If you need assistance when installing or operating this product please call the toll free telephone number between regular business hours 8 00AM 5 00PM Eastern Standard Time If you are calling outside of regular business hours please leave a detailed message and a member of Avaya s Service Department will return your call as soon as possible If your product requires service Avaya personnel wi
22. utyl acrylate isoprene isopropyl acetate isopropylamine isopropyl ether liquefied petroleum gas mesityl oxide methane methanol methyl acetate methyl acrylate methylamine methylcyclohexane methyl ethyl ketone methyl formate methyl isobutyl ketone Installation and Operation Model EA401 APPENDIX A Hazardous Location Classification propyl nitrate ethylene oxide proplene oxide methyl formal methyl mercaptan monomethyl hydrazine morpholine nitroethane nitromethane 2 nitropropane propionaldehyde n propyl ether tetrahydrofuran triethylamine unsymetrical dimethyl hydrazine valeraldehyde methyl isocyanate methyl methacrylate 2 methyl 1 propanol 2 methyl 2 propanol naptha nonane nonene octane octene pentane 1 pentanol 2 pentanone 1 pentene petroleum naptha propane 1 propanol 2 propanol n propyl acetate propylene propylene dichloride propylene oxide pyridine styrene toluene tripropylamine turpentine vinyl acetate vinyl chloride vinylidene chloride xylenes Page 17 Avaya Inc Installation and Operation Model EA401 APPENDIX A cont CLASS II DIVISION 1 amp 2 GROUP E Atmospheres containing combustible metal dusts regardless of resistivity or other combustible dusts of similarly hazardous characteristics having resistivity of less than 109 ohm centimeter CLASS II DIVISION 1 amp 2 GROUP F Atmospheres containing carbon black charcoal coal or coke dusts which have mo
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