Electrician is using heat shrink tubing for joining ends of wire together for good contact.

---

Size: 4437px × 2959px
Location: ???????
Photo credit: © Vladimir Grigorev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: box, cable, circuit, close, close-, closeup, conduit, copper, diagram, electric, electrical, electrician, electricity, energy, extend, extension, grid, hand, hands, heat, holding, home, house, hpusehold, install, installation, insulation, light, line, plastic, power, service, services, shrink, supply, surface, system, tube, tubing, voltage, wall, wires, wiring, work, working