Generally speaking, an armored electrical cable is a reinforced cable. Essentially, it is more robust than standard electrical wires. Most of us mistakenly believe that the Steel Wire Armored (SWA) cable is the only cable with armoring. However, contrary to popular belief, there are several classifications of cables with armoring. The three main categories of armored cables include;
A steel wire armored cable is one of the most commonly used power and auxiliary cables. As the name suggests, it has steel wire armor whose sole purpose is to minimize any risks of the cable getting haggard or broken. This cable type is suitable for external wiring applications because it can withstand any mechanical extremities that might damage it. If you need an outdoor armored cable , this cable is definitely worth some consideration.
That being said, you need to be pretty careful when choosing one that suits your specific application. The cable occurs in two primary forms: a low-voltage armored cable and a high-voltage armored cable. Provided you’ve chosen a suitable option, you can use an armored electrical cable for underground power systems, cable networks, and control systems.
A steel Tape Armored (STA) cable is typically applicable in transmission systems that do not exceed 35KV. Essentially, it comprises a metal amour layer within its sheath. Its amour is specifically suitable for protection against external squeezing. Therefore, this cable type will come in handy if you intend to perform wiring applications relating to construction, mine cabling systems, and the petrochemical industry.
Whatever electrical armored cable you settle for, you need to keenly ensure that the wire does not bend below the minimum radius specified by its manufacturer. Ideally, all armored cables have a minimum bending radius. If it is not indicated, it is best to contact the manufacture and inquire about the exact minimum bending radius before purchasing the cable. Other standard categories of armored cables include;
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