Electrician engineer tests electrical installations and wires on relay protection system. Bay control unit. Medium voltage switchgear. Electrician bui

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Electrician engineer tests electrical installations and wires on relay protection system. Bay control unit. Medium voltage switchgear. Electrician builder engineer worker installing industrial cable into fuse box.

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Size: 7680px × 4320px
Photo credit: © David Kashakhi / Alamy / Afripics
License: Royalty Free
Model Released: No

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