laying the cable in an open way (in cable channels, in a corrugated pipe, a metal sleeve on staples, in metal trays)
installation of one-, two-, three-, four-pole and more automata, voltage relays, electricity meters
using only high-quality cable and wire products for installing/replacing wiring
connection of chandeliers, wall sconces, spotlights and household appliances
supplementing the main lighting with decorative ones for greater coziness
diagnosis and elimination of any malfunction, emergency calls