FIELD: electricity.
SUBSTANCE: invention relates to power supply devices. The case comprises power supply device and electric connecting facilities. The case is equipped with one or more protruding elements, which may be moved between neutral position and depressed position. In neutral position one or several protruding elements prevent passage of electric current between electric connecting facilities and power supply device. Interconnection facilities comprise the front surface interacting with one or several protruding elements by pressing one or several protruding elements into depressed position thus allowing passage of electric current between electric connecting facilities and power supply device.
EFFECT: invention allows safe installation of the power supply device.
11 cl, 7 dwg
