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Electrician installing electric cable wires and fuse switch box. Multimeter in hands of electricians detail.
Hands of electrician with screwdriver tighten up switching electric actuator equipment in fuse box
cartoon bomb 3d illustration
Voltage relay with indication of incoming voltage and residual current device in the switchboard on the wall of the apartment
Cartridge electrical fuse, used to protect overloads and short circuits in electrical systems.

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