Non-mechanical cable drums of metal

Apparatus and instruments for conduction, distribution, conversion, storage, regulation or control of electric current; apparatus for recording, transmission, processing and reproduction of data, sound or images; electronic, electrical and optical cables, connectors and patch panels; systems comprising electronic distributors and connectors for audio and video systems, ground boxes and stage boxes; cables and fibres for electrical and optical signal transmission; cables and fibres for data transmission in computer networks; audio and video cables, computer cables, ethernet cables, power cables, antenna cables, microphone cables; electric cables for musical instruments, high definition multimedia interface cables, cables for use in lighting systems; distribution amplifiers for audio and video signals; distribution boxes for electrical power; electrical power distribution panels; electrical power distribution units; electric control panels; lighting controls and lighting control panels; patch panels for housing electrical connectors, electrical plugs, sockets and switches; boxes specially adapted for housing audio and video equipment; electrical connection and distribution boxes; electronic sound mixing, processing and synthesizing apparatus

Lubricants