Sprendimas papildyti kabelius išoriniais vamzdžiais neturi įtakos sprogimui atsparioms saugos priemonėms vietoje. Srityse, kurios nurodytos kaip atsparios sprogimui, norma yra naudoti šarvuotus kabelius, taip apeinant papildomų vamzdžių poreikį.
The critical aspect is to ensure airtight sealing at the point where cables connect to junction boxes, employing explosion-proof cable glands. A key standard to adhere to is routing only one cable through each gland, avoiding the passage of multiple cables through a single point. As for external cables, adding conduits is unnecessary provided their outer casing remains undamaged.