Electrician is inserting tester screwdriver with one contact and red LED lamp into a hole of an electric socket to determine the phase wire.

---

Size: 5511px × 3674px
Location: ???????
Photo credit: © Vladimir Grigorev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: blue, check, closeup, current, danger, detector, electric, electrical, electrician, electricity, equipment, european, hand, home, install, installation, installing, lamp, led, light, maintenance, measure, measurement, neon, outlet, plug, power, red, repair, repairing, repairman, safety, screwdriver, service, services, socket, standard, supply, technician, technology, test, tester, tool, voltage, wall, white, wire, wiring, work