User manual

Publication 1747-UM011F-EN-P - May 2007
System Installation Recommendations 59
Hazardous Location Considerations
Products marked CL1, DIV 2, GP A, B, C, D are suitable for use in
Class I, Division 2, Groups A, B, C, D or non-hazardous locations
only. Each product is supplied with markings on the rating nameplate
indicating the hazardous location temperature code. When combining
products within a system, the most adverse temperature code (lowest
“T” number) may be used to help determine the overall temperature
code of the system. Combinations of equipment in your system are
subject to investigation by the local authority having jurisdiction at the
time of installation.
WARNING
EXPLOSION HAZARD
• Do not disconnect equipment unless power has been
removed or the area is known to be non-hazardous.
• Do not disconnect connections to this equipment unless
power has been removed or the area is known to be
non-hazardous. Secure any external connections that mate
to this equipment using screws, sliding latches, threaded
connectors, or other means provided with this product.
• Substitution of components may impair suitability for Class
I, Division 2.
• All wiring must comply with N.E.C. article 501-4(b).