Can I run an EV charger on a 13-amp socket – Advice from Electriman, North London Electricians

## Using a 13-Amp Socket to Charge Your EV — What Every Homeowner Should Know

A standard three-pin 13-amp socket — the type found in every UK home — **can** be used to charge an electric vehicle using the Mode 2 'granny cable' that comes supplied with most new EVs. However, just because it works does not mean it is safe for long-term regular use.

### What Actually Happens

- Your EV draws close to the **full 13-amp rated current** for many hours at a time (typically 8–12 hours overnight).

- A ring-main socket is designed for **intermittent loads**, not sustained overnight draws.

- This prolonged current causes heat build-up in the socket contacts, plug pins, and the wiring behind the socket.

- Over time this leads to **arcing, discolouration, and in worst cases — fire**.

### When a 13-Amp Socket Is Acceptable

- **Occasional or emergency use only** — topping up on a rare night away from home.

- The socket is **modern, undamaged, and correctly rated**.

- You are **never using an extension lead or multi-socket adaptor** (this is dangerous and must be avoided).

- The socket is on a **ring final circuit protected by a 32-amp breaker** with a working RCD.

### What to Check Before You Plug In

- Inspect the socket faceplate — **no scorch marks, cracks, or loose fit**.

- Check the plug on your granny cable — pins should be clean and undamaged.

- Ensure the socket is not shared with other high-draw appliances (tumble dryers, washi

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