Do I need a dedicated circuit for an EV charger – Advice from Electriman, North London Electricians

## Do I Need a Dedicated Circuit for My EV Charger at Home?

The short answer is **yes** — almost every home EV charger (also called an EVSE or wallbox) installed in the UK requires its own dedicated circuit. Here is what that means in plain English and what you need to know before booking an installation.

### What Is a Dedicated Circuit?

A dedicated circuit is a cable that runs **directly from your consumer unit (fuse box) to the EV charger** and nothing else. No sockets, no lights, no other appliances share it. This is different from a standard ring main where multiple sockets share the same circuit.

### Why Does It Need to Be Dedicated?

- **EV chargers draw sustained high currents** — a typical 7.4 kW wallbox pulls around 32 A continuously for several hours. Sharing this load with other appliances on an existing circuit would almost certainly overload it.

- **Nuisance tripping** — adding a charger to a shared circuit causes breakers to trip, leaving your car uncharged and potentially other appliances without power.

- **Insurance and compliance** — most home insurance policies and all OZEV (formerly OLEV) grant conditions require a properly installed dedicated circuit.

- **Building Regulations (Part P)** — EV charger installation is notifiable electrical work, meaning it must be done by a competent person and certified.

### What Should You Check Before Installation?

- **Check your consumer unit** — there needs to be a

Need a qualified electrician in North London?

Electriman covers Mill Hill, Barnet, Finchley, Edgware, Enfield, Watford and surrounding areas. All work is Part P certified and fully insured.