Measuring, signaling apparatus and instruments, namely, electric relays; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; socket covers; multifunctional remote controls; current overload protectors; power line protectors; gloves for protection against accidents; light switches; level switches; electric light switches; electricity switches; current limiters; voltage limiters; downloadable instruction manuals in electronic format; liquid level meters; temperature meters for household use; temperature meters for industrial use; voltage meters; safety glasses; time recording devices in the nature of time clocks; electrical extension cables; electronic apparatus in the nature of level regulators, namely, flow regulators for domestic commercial and industrial use; relays; impulse relays; mini electronic relays; auxiliary relays; light-dependent relays; monitoring relays; industrial relays; printed circuit board relays; electromechanical relays (EMR); solid state relays (SSR); step relays; pulse-operated latching relays; overvoltage protection relays; power relays; motor protection relays; electric safety relays; overload relays; electric relays; electromagnetic relays; electronic relays; light-sensitive relays; relay interface modules; transceivers; multiport transceivers; ethernet transceivers; signal receivers; receivers for data communication; point-to-point receivers; satellite receivers; telephone receivers; smoke detectors; combustible gas detectors; carbon monoxide detectors; voltage detectors; ethernet repeaters; infrared detectors; fire detectors; movement detectors; surge voltage arresters; protective footwear against accident or injury; infrared sensors; liquid level sensors; ultrasonic sensors; electric wire connectors; voltage spike suppressors; remote controls; timers; automatic timers; modular timers; plug-in timers; light timers for staircases; thermostats; room thermostats; panel thermostats; chronothermostats; timer sockets; mechanical or electronic digital time switches; electric timers; programmable timers; totalizators; electrical transformers; electronic transformers; signal transmitters; electric light dimmers; electric light regulators in the nature of dimmers; electric connection sockets; energy meters; modular contactors; electrical and electronic circuits; electric control panels; industrial automation controls; accessory modules for illuminated pushbuttons; security alarm systems; cables for electrical signal transmission systems; stereo systems; loudspeaker systems; computer operating systems; computer operating system software; electronic control systems for machines; global positioning system receivers; global positioning systems; global positioning system transmitters; network operating system programs; power distribution systems, namely, distribution boxes for electrical power; video imaging systems, namely, computer programs for editing video; video surveillance systems, namely, remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; wireless controllers to remotely monitor and control the function and status of security systems; wireless controllers to remotely monitor and control the function and status of other electrical, electronic and mechanical devices or systems, namely, electric motors, electrical circuits