For radio or television equipment, the bonding conductor material may include which options?

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Bonding conductors tie the metal parts of radio or TV equipment to the building’s grounding system to keep all those parts at the same electrical potential and reduce shock risk. The material for this bonding path isn’t restricted to one metal. Copper is the most common choice because of its excellent conductivity and corrosion resistance. Aluminum is also allowed where weight or cost favors it, with proper installation and terminations. Copper-clad steel provides strength for certain installations while still offering a copper surface for good electrical contact. Because all three materials can meet the bonding requirements when properly sized and installed, any of the above is acceptable.