The IEC320 C14 Plug is normed in IEC 60320. The C14 connector type is the most used connection type in the EU. If you have to use a connector with phase, ground, and neutral, this is the right connector for you. This particular implementation (IEC320) comes with a fuse and a switch. You don’t have to use the switch, but the fuse is permanently installed into the circuit.
In the following Image, there are the different connection sections for the wiring shown.
| Power OUT | phase, ground, neutral from the cable (always current) |
| Plug IN | Input for the plug (closer together) |
| Plug OUT | Output for the plug + LED (wider) |
If the plug is in the state off and the LED is off, then our device should have no power. If the plug state is on and the LED is on, then our device should be on, too.
To archive this behaver, we have to connect phase and neutral from Power OUT to Plug in. Our Device should be connected to ground from Power OUT and phase plus neutral from plug out.
Wiring it up
First you have to check, if you have the right cable. The fuse is typical, a 230V 10A sluggish fuse. Every cable that can handle up to 10 Amperes is capable for this task. For the Americans all below AWG 21 is safe to use, for us Europeans every copper wire with a single core cross-section from 0.72 mm2 fits our needs.
I’m using a AWG18 (1.02 mm2) single core wire to hug up the Power OUT with the plug in section. For the Plug OUT and Ground-Power-OUT connection, I’m using a AWG20 (0.82 mm2) multicore wire.
You could solder the wire into place, but there better way is to use spade terminals. For this application, you w’ll need 4.8 mm spade terminals.
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