Box shaped electrical assembly

An electrical assembly which is box-shaped and has a frontal cover assembly and a cable connection plug unit having two ends and including a terminal block with cable receiving openings leading to a longitudinal channel, the terminal block having frontally accessible terminal screws for holding cable ends within the receiving openings, the improvement comprising:

• the longitudinal channel being located at the front of the plug unit;
• the cover assembly being adapted to serve as a labeling surface;
• a terminal block comprising a plurality of contacts for making connection to a circuit board in the assembly;
• the circuit board and plug unit being pivotally connected to each other by means for pivoting the plug unit from a position which electrically connects the terminal block and the circuit board to a position which electrically disconnects the terminal block and the circuit board, the means for pivoting being attached to one end of the plug unit and to the circuit board;
• and
• means for fastening the plug unit to the electrical assembly attached to the plug unit at the other end thereof.