Help please

[J991]

Hi can anyone tell me what's going on with this photo please?
Why is there a link over on a terminal

 

[Andy™]

could be a few things.... look in the other switches and itll probably make a lot more sense then

 

[monkey5]

live for the 2 way

 

[binky]

it's a permanent live of some sort, although they could have just put the wires in the com terminal.