Junction
Wire Node
In short
Wire Node: Junction point to connect multiple wires. It has 4 terminals: T1 (Terminal 1), T2 (Terminal 2), T3 (Terminal 3), T4 (Terminal 4).
If this is your home: this page is written for heating engineers. Mains wiring and gas appliances are not DIY jobs; call a Gas Safe registered engineer. If you smell gas, leave the building and call the National Gas Emergency Service on 0800 111 999.
Terminals
| Terminal | What it is |
|---|---|
| T1 | Terminal 1 |
| T2 | Terminal 2 |
| T3 | Terminal 3 |
| T4 | Terminal 4 |
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