3-phase 4-wire low voltage distribution lines on canopy

3phase 4wire algae angle architecture awning backgrounds bad black brown building cable canopy ceiling ceramic circuit closeup color concepts condition construction cover damaged danger decay deteriorated distribution electric electrical electricity energy engineering exterior four industry installing insulated insulator line low moisture mold off out outdoors paint peeled peeling people phases power roof safety spool stain supply system three transmission view voltage weathered white wire wires wiring worn