Step3 Electricians provide emergency service in Wellington 24/7. Call: 022 521 0594.

Do not touch someone in contact with electricity. Kill the power at the main switch immediately.

Isolate the power at the main switch. Burning smells indicate dangerous heat or loose connections.

Fuses are slower and prone to copper splatter; circuit breakers (MCBs) are the modern safety standard.

Toggle fully to OFF then back to ON. If it trips again, unplug appliances to isolate the fault.

The board inside your house that holds the MCBs and RCDs for your home's circuits.

The master switch that shuts off all electrical power to the entire property.

Current that reverses direction periodically, allowing efficient transmission over NZ's power grid.

The unit used to measure the volume of electrical flow.

1.0-1.5mm (Lights), 2.5mm (Power points), 4.0mm+ (Stoves/High load).

Typically Twin and Earth TPS with Red (Phase), Black (Neutral), and Green (Earth) conductors.

Piping used to protect cables from moisture and physical damage.

Surface-mounted protection for cables that cannot be run inside walls.

A safety test to ensure safety switches trip fast enough to prevent injury during a fault.

Ensures current flows through the correct side of appliances so switches work safely.

The copper rod driven into the earth to provide a safe discharge path for faults.

Homeowners can run cables but cannot touch the switchboard. All work must be certified by an inspector.

Life-saving switches that trip when they detect current leaking to earth.

Modern standards use Brown (Phase), Blue (Neutral), and Green/Yellow (Earth).

LEDs are the NZ standard for longevity and efficiency over old fluorescent tubes.