What Does SWA / STA / DSTA Mean for Armoured Power Cables N2XY & N2XBY?
Armour designations define the metallic protective layer applied over a cable’s inner sheath to provide mechanical resistance. SWA stands for Steel Wire Armour, utilizing galvanized round steel wires to deliver high tensile strength and impact resistance suitable for vertical drops and high-stress direct burial. STA (Steel Tape Armour) and DSTA (Double Steel Tape Armour) utilize […]