FIELD: general-purpose connecting equipment. SUBSTANCE: apparatus has basic block with casing which may be attached to wall, circuit arrangement positioned within casing and adapted to be connected to mains, unit positioned in casing and connected to circuit arrangement, auxiliary module units, with one of module units being actuated by heated air admitted from casing, and device for detachable connection of selected auxiliary module unit to casing. At least second auxiliary module unit has electrical interconnecting device. EFFECT: increased efficiency, wider operational capabilities and improved safety of device. 10 cl, 41 dwg
