Electronics and optical instruments and components, namely, printed circuit boards, cable assemblies, television transmitters, digital and vertical splitters, satellite splitters, taps, directional couplers, amplifiers, filters, equalizers, attenuators, voltage and grounding blocks, terminators, diplexers, switches, satellite splitters, modulators, combiners, connectors, cable clips, brushings, ties, wall plates, phone jacks, crimping tools, installation accessories, and related components
Electrical and Scientific Apparatus