What type of cable is recommended for use in areas where physical damage is a concern?

• A. Armored cable (AC).
• B. Non-metallic sheathed cable (NM).
• C. Low-voltage cable.
• D. Metal-clad cable (MC).

Answer: (A)

Armored cable (AC) is recommended for use in areas where physical damage is a concern because it features a protective metal sheath that guards the inner conductors against impacts and abrasion. This added layer of protection makes it ideal for environments where the cable may be exposed to potential mechanical stress, such as in garages, industrial settings, or areas with high foot traffic. The armored construction not only helps prevent damage from tools or equipment but also enhances safety against electrical hazards, such as short circuits, that might result from accidental cuts or punctures in the cable.

Although other types of cables may be suitable for specific applications, they do not offer the same level of physical protection that armored cable provides. Non-metallic sheathed cable (NM), for instance, is intended primarily for indoor use in dry areas and is not designed to withstand significant impacts. Low-voltage cable is useful for specific low-voltage applications but lacks the robust protective features necessary for areas where physical damage could be a concern. Metal-clad cable (MC), while also offering some protection, may not provide the same level of resistance to physical damage as armored cable, making AC the superior choice in this context.