Does fiber opitc cable require an area class certification?
Does fiber opitc cable require an area class certification?
(OP)
I am providing data sheets for downhole fiber optic temperature sensing. The electronics are connected at surface for light transmission and data collection. With RTD's an area classification is required e.g: Good for Class 1, Zone 2. But does a fiber optic cable need this?
I would think not as there is no electrical current passing through like there would be in the RTD.
Please let me know your thoughts.
Thank you,
I would think not as there is no electrical current passing through like there would be in the RTD.
Please let me know your thoughts.
Thank you,





RE: Does fiber opitc cable require an area class certification?
RE: Does fiber opitc cable require an area class certification?
The majority of fibre applications are fine, but some of the high power sources used for long-haul data transmission can create an ignition hazard if a fibre is broken within a hazardous area. There are three categories recognised within the Ex 'op' group under IEC 60079 - inherently safe, mechanically protected, and interlocked (i.e. detection of fibre break)