Home charging

Home EV Charger FAQ: Amps, Phases, Cables and Protection

Quick answers to the questions owners ask most before installing a home charger.

How many amps does a home charger need?

Most residential wallboxes run at 32 A, which needs a dedicated circuit able to carry that load continuously.

Single-phase or three-phase?

A single-phase 32 A charger delivers about 7 kW. A three-phase 16 A charger delivers about 11 kW, and three-phase 32 A about 22 kW — provided your car's on-board charger can accept it.

How do I know my car's charging port?

Check the charge-port flap or owner's manual. Cars specified for the UAE usually have a Type 2 AC inlet (with CCS2 for DC). Some China-market imports use GB/T, which has separate AC and DC inlets.

Wall-mounted or portable?

A wall-mounted charger is permanently wired, faster and more robust. A portable charger plugs into a socket and is handy for travel or as a backup.

What cable size is needed?

For a typical single-phase installation, 6 mm² cable is common; longer runs may need 10 mm². Your electrician sizes it for the distance and load.

What protection is required?

A dedicated breaker with earth-leakage protection — for example a 40 A RCD of the type the charger requires, plus an isolator switch near the charger for safe maintenance.

Can EV Shield help?

EV Shield focuses on commercial, fleet and investment charging sites. If you are planning chargers for a property with multiple bays, get in touch for a feasibility review.

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