Electrician in Sham Shui Po District

A home EV charger install is typically half a day's work: mounting the unit, running a dedicated circuit from the panel, and adding protection devices. Total cost depends on the charger you buy, cable run distance, and whether your panel has spare capacity — a panel upgrade can double the project. In several countries this is notifiable/regulated work, and grants or utility rebates may apply — ask the installer.

For anything beyond a minimum-charge visit, yes — two or three. Insist each quote covers the same scope: number of points, certification included, chasing and making good walls, and parts brands. The cheapest quote often excludes certification or wall repair; the comparison only means something on identical scope.

Three usual causes: an overloaded circuit (too many high-draw appliances on one circuit), a short circuit (damaged cable or appliance), or an earth-leakage fault picked up by an RCD/GFCI — often a failing appliance or moisture ingress. Unplug everything on the circuit and reset; if it holds, plug things back one at a time to find the culprit. If it trips with nothing plugged in, call an electrician.

A straightforward swap on an existing, sound circuit is typically a minimum-charge visit of under an hour. Costs rise when the fixture is heavy (needs a rated box or bracing), ceilings are high (ladder or scaffold work), or the existing wiring turns out to be degraded. Buying the fixture yourself and paying labour-only is normal and usually cheapest.

Per-job pricing is standard: socket or switch work runs HK$300-HK$1,200, adding a socket HK$400-HK$1,500, and rewiring a flat HK$8,000-HK$30,000 depending on size and conduit work. Night and urgent calls carry a 50-100% premium.

Fixed electrical works — anything on the building's wiring — legally require an EMSD Registered Electrical Worker. Plugging in appliances or replacing a lamp is fine yourself, but socket, switch, and circuit work is registered-worker territory. Ask to see the EMSD registration card.