Connection device (3) for a cable connection box (1), in particular for installation in a mast, for example in a light mast, with input terminals (4) for connecting input cables, for example power supply cables, and with outgoing terminals (5) for connecting outgoing cables, for example consumer cables, with the input terminals (4) being connected to the outgoing terminals (5) by means of conductor rails (6, 7), with an input terminal (4), an outgoing terminal (5) and a conductor rail (6, 7) each having a neutral conductor on the one hand (N) and on the other hand at least one phase conductor (L1, L2), the conductor rail (6) of the neutral conductor (N) being designed in two parts to form an electrically insulating bridge area (10), with an input rail (4) facing the input terminal (4). 6a) and an outgoing rail (6b) facing the outgoing terminal (5), the input rail (6a) being electrically connected to the outgoing rail (6b) in the bridge area by means of a the bridge connection element (11) can be connected, characterized in that the bridge connection element (11) is designed as a bridge plug (11) which is provided with an electrically insulating contact protection (12).
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