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8. Warnings: Ul Class 1, Division 2 Markings for selected
Signal Conditioners
A. “This equipment is suitable for use in Class I, Division 2, Groups A, B,
C and D hazardous locations or non hazardous locations only or the
equivalent.”
B. “WARNING: EXPLOSION HAZARD - Substitution of components may
impair suitability for use in Class I, Division 2 environments.”
C. “WARNING: EXPLOSION HAZARD - The area must be known to be
non hazardous before servicing/replacing the unit and before installing
or removing I/O wiring.”
D. “WARNING: EXPLOSION HAZARD - Do Not disconnect equipment
unless power has been disconnected and the area is known to be non
hazardous.”
The warning references on this side have only validity for modules with a
UL Class I, Devision 2 permission.
