A switch at least comprises a housing, an electrical member, a terminal and a connecting contact. The housing defining a cavity that includes two opposite sidewalls, and a pair of fixing grooves each defined by said sidewall and an extension wall spaced from said sidewall. The electrical member having a pair of leads disposed within said cavity. The terminal retained in the housing and having a contact portion abutting against said sidewall. The connecting contact retainably disposed within each said groove, and the connecting contact has a plate base abutting against said extension wall, a fixing portion attached onto an upper end of the plate base for clamping each said lead of the electrical member, and an spring portion reversely extending from an opposite bottom end of the plate base and designed to mechanically and electrically engage the contact portion of the second terminal.