Azbil PTG60 - Page 9

Azbil Corporation Preface
Model PTG60/70/71/72 - Smart Pressure Transmitter iii
Explosion protected Models
FM Explosionproof / Dust-ignitionproof Apparatus (in accordance with
NEC)
CAUTION
• Install the apparatus only in areas for which the apparatus has been approved.
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enclosure.
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1. Class I, Division 1 locations
 Wiring methods
• Threaded rigid metal conduit, threaded steel intermediate metal conduit, or Type
0,FDEOHZLWKWHUPLQDWLRQ¿WWLQJVDSSURYHGIRUWKHORFDWLRQ, can be employed
• Threaded jointsPXVWEHPDGHXSZLWKDWOHDVW¿YHWKUHDGVIXOO\HQJDJHG
 Sealing
• Each conduit entering the apparatus enclosure is required to be sealed within 18
LQFKHVPPIURPWKHHQFORVXUH
• The sealing of each conduit can be provided with DVHDOLQJ¿WWLQJDSSURYHGIRUFODVV
I locations.
• Sealing compound must be approved and must not have a melting point of less than
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2. Class I, Division 2 locations
 Wiring methods
• Threaded rigid metal conduit, threaded steel intermediate metal conduit,
enclosed gasketed buswaysRU7\SH3/7&FDEOHLQDFFRUGDQFHZLWKWKHSURYLVLRQV
RIUHPRWHFRQWUROVLJQDOLQJDQGSRZHUOLPLWHGFLUFXLWVVHH1(&$UWLFOHRU
Type ITC cable in cable trays, in raceways, supported by messenger wire, or directly
buried where the cable is listed for this use; Type MI, MC, MV, or TC cable with
DSSURYHGWHUPLQDWLRQ¿WWLQJV can be employed.
 Sealing
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3. Class II, Division 1 locations
 Wiring methods
• Threaded rigid metal conduit, threaded steel intermediate metal conduit, or Type
0,FDEOHZLWKWHUPLQDWLRQ¿WWLQJVDSSURYHGIRUWKHORFDWLRQ, can be employed.