What component is added to cables to increase mechanical strength?

The correct component added to cables to increase mechanical strength is armoring. Armoring involves the application of protective materials, such as steel wires or strips, around the cable's outer layer. This provides enhanced durability and resistance against physical damage from environmental factors, impacts, or abrasion, making the cable suitable for use in harsh conditions or areas requiring additional protection.

In contrast, bedding tapes serve to cushion and protect the conductors within the cable but do not primarily contribute to its mechanical strength. Conductor cores are essential for electrical conduction but do not add to the external mechanical integrity of the cable. Insulation layers are crucial for electrical safety, preventing short circuits and ensuring that current flows correctly, but they do not enhance the cable's ability to withstand physical stress.