Electronic control and command systems; digital electronic controls; electronic process controls; electronic devices for remote control; wireless controllers to remotely monitor and control the function and status of other electric, electronic and mechanical apparatus or systems; intelligent gateways for communication; electronic information processing systems; computer programs for data processing; communication networks; communication software; wireless communication devices; networked communication equipment; electronic communication equipment; data communication hardware; safety equipment, namely, security warning devices, security control devices, security light barriers, electric security surveillance apparatus, security markings; protective equipment, namely, electric line protection devices; signaling equipment, namely, signal receiving devices, electric signaling apparatus, digital signal processing apparatus, electronic signal transmitters, signaling panels (luminous or mechanical)