ETERNA KABEL Building Wire Cable NYM 2.0x2.5mm 1roll(50m) NYM is a term for a copper wire type cable consisting of several stranded solid copper conductors with colored PVC insulated cables on the inside and a white outer skin. The size 2x2.5mm indicates that the cable has 2 contents and a copper thickness of 2.5mm. NYM type cable has 3 layers of skin consisting of the innermost layer on a single colored copper cable on each cable then the second layer is grayish and the third layer is the white outer skin. Eterna Electric Cable is the most commonly used electric cable for electrical networks in home or office buildings. Its quality has been tested.