A switch unit 1 wherein said switch module has a plurality of contact pairs and a corresponding plurality of rockers for actuating electrical circuit between said contact pairs, said cover having {HEAD ~ a plurality} of {TAIL ~ rocker actuating elements} in a coded arrangement corresponding to a specific identification for said switch module 
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A switch unit 1 wherein said switch module has a plurality of contact pairs and a corresponding plurality of rockers for actuating electrical circuit between said contact pairs , said cover having { HEAD ~ a plurality } of { TAIL ~ rocker actuating elements } in a coded arrangement corresponding to a specific identification for said switch module
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