Method and device for marking terminal blocks

A method with one or more marking elements provided with an inscription are formed on a terminal block which is mounted on a mounting base and has a housing made of a first plastic and at least one conductor connection formed in the housing and at least one marking recess formed in the housing, each marking recess being designed for the application of a corresponding marking element, comprising the steps of:

• a) providing the terminal block with the housing before or after the at least one conductor connections is formed in the housing and providing an injection molding tool into which the housing is inserted, wherein at least one free space is formed in a region of the at least one marking recess;
• and
• b) spraying the at least one free space with a second plastic in the region of the at least one marking recess, whereby at least one inscribable marking element is formed on the housing.