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1. Refer to the Nonincendive Field Wiring Apparatus
Control Drawing for important information.
2. Power, Input / output (I/O) wiring for the end use
enclosure must be in accordance with Class 1
Division 2 wiring methods (Article 501.10(B) of the
National Electric Code, NFPA 70) and in
accordance with the local authority having
jurisdiction.
3. Maximum ambient air temperature 85°C.
4. Temperature rating of field installed conductors
105°C. Use Copper Wire Only.
5. These devices must be installed in end use
enclosure suitable for the location.
6. WARNING –EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABILITY FOR CLASS 1, DIVISION 2.
7. WARNING –EXPLOSION HAZARD: DO NOT
DISCONNECT EQUIPMENT UNLESS POWER
HAS BEEN SWITCHED OFF OR THE AREA IS
KNOWN TO BE NON-HAZARDOUS.
8. WARNING –THIS APPARATUS IS SUITABLE
FOR USE IN CLASS 1 DIVISION 2, GROUPS A,
B, C, AND D OR NONHAZARDOUS LOCATIONS
ONLY.
For an explanation of RS-485 termination and biasing
requirements, refer to B&B Electronics’ RS-485
application note. This publication can be downloaded
at: www.bb-elec.com