Withstand corrosion, extreme vibration, dust, dirt, moisture, wind, snow, water, high ambient temperatures.
C1D1: Class 1 Division 1 (CertificationUL844; Class I Div 1, Group C,D; Class I Div 2, Group A, B, C, D; UL8750; UL 924; UL 1598A, DLC Premium)
C1D2: Class 1 Division 2 (Certification UL844; Class I Div 2, Group A, B, C, D; Class II Division 1, Group E, F, G; Class III; UL 1598A; DLC Premium)