# Installation

Eight steps with the main breaker off.

1.
2.
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4.
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8.

The incoming cables stay live even with the main breaker off. If you are unsure, ask an electrician.

## Before you start

- **You or an electrician**Fitting takes the main breaker off
- **50 Hz, single-phase**One clamp and one voltage lead
- **6 mm of DIN rail**Free space beside the main breaker
- **2.4 GHz Wi‑Fi**Reaching the fuse box

![Visiwatt single-phase kit: sensor, one fused voltage lead and one current clamp](https://visiwatt.tech/theme/media/sensor/v2/kit-flatlay-2000.webp)

## Set up the app

- **Install the app**Sign in and add your home
- **Pair**The app finds the sensor
- **Connect**Choose your Wi‑Fi
- **Done**Live readings appear

[Installation support](https://visiwatt.tech/en/contact)

## Know which devices are running at home

- Nothing to pay today
- 2-year warranty
- No subscription

[Pre-order for $200](https://visiwatt.tech/en/#preorder)
![Visiwatt app: 1.21 kW right now](https://visiwatt.tech/theme/media/app-home.webp)
![Visiwatt sensor](https://visiwatt.tech/theme/media/sensor/v2/hero-cut.png)

Source: https://visiwatt.tech/en/installation