An electrical outlet box assembly provides for the divided accommodation of various voltages of wires and termination devices. The medium-voltage heating element assembly can include a dual core having an inner core and an outer core. The slant of the book can be variably adjusted by releasing the knurled screws and by displacing the shaft forwards or backwards, in relation to the base. Two or more adapters may be piggybacked. In one system embodiment, the network access point tracks the power on time of wireless devices. ; and an update unit which obtains data from the network in order to update the logic at the phone so that the communication management is carried out at the telephone based on dynamically updated data.