I don't know if I am in the right place for this, I have a new layout
> using the old type Marklin switches etc, I need some old type coloured
> plugs and sockets for the wiring, to go with this.....
If the plugs are of the same type that is used for H0 (and I suppose they are), you can find them on ebay:
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*Q2Cstekk*Q29QQsoloctogZ9Q26saavailabletocountryQ3D146QQsotrZ2QQsosortpropertyZ1Q26sosortorderQ3D1QQcoactionZcompareQQcopagenumZ1QQcoentrypageZsearch Look for "stekker" (Dutch) and "stecker" (german).