Computer cursor control devices, namely, digitizer tablets; computer cursor control devices, namely, light pens; computer cursor control devices, namely, touch pads; computer cursor control devices, namely, trackballs; computer hardware and software system for remotely monitoring environmental conditions and controlling devices within a building, facility, grounds, or designated spatial area; computer hardware and software used for the control of voice controlled information and communication devices; computer software for controlling the operation of audio and video devices; data access port for use with electrical control panels for connecting multiple data and electrical devices; electrical plug device enabling connection and disconnection of power and/or control cables; home and office electrical power automation systems comprising wireless and wired controllers, controlled devices, and software for appliances, lighting, HVAC, security and other home and office electrical power monitoring and control applications; occupancy sensors, namely, electronic devices which detect the presence of occupants and control the lighting system accordingly; power access port for use with electrical control panels for connecting multiple data and electrical devices; remote control transmitter for radio-controlled devices; signal conditioning and communication devices for industrial process control