The explosion-proof specifications entail special technical measures to prevent becoming an ignition source for combustible materials.
Unlike endoscopes with cameras integrated into their tips, borescopes consist solely of lenses and fibers, devoid of any electrical components. (The borescope itself does not serve as an ignition source.)
Certainly, in environments where explosion-proofing is required, dedicated equipment is necessary for light sources and cameras. For instance, specialized explosion-proof C-mount cameras, such as those below, are available for sale.
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