connection of the electric cable to control cabinet using heat-shrinkable sleeve. electrician man at work

assembling cabinet cable cabling circuit commissioning communication connect connection control coupling current dryer electric electrical electrician electricity energy engineer equipment fuse hair heat heating heatshrinkable high industry inspect installation installing insulation kilovolt maintenance man mounting panel phase power process professional relay repairing repairman service shrinkable sleeve substation switchgear system technician unit using voltage wiring work worker