Distribution boards are made of high quality plastic. They are adapted for indoor use. The switchgears have a closed box casing and are adapted for sealing. The side parts of the box are provided with ribs for easy insertion of cables or conduits. The distribution boards are provided with description labels. They also have N+PE terminal strips. The mounting element in the switchgear is a TH 35/7.5 bracket (Euroszyn), which allows for mounting of miniature circuit breakers, residual current devices and other electrical devices. In accordance with current standards, the switchgear should be placed on flame-retardant walls by suitably qualified persons.