Single core ÖLFLEX® WIRE MS 2.1 1X4 BK, single core, 1X4, black, ring, U0/U: 450/750 V, PVC, HAR-certified, UL listed, fixed installation, Areas of application: Can be used in dry and damp rooms, Suitable for wiring inside control cabinets, Can be used at temperatures down to -40 °C, For wiring machine-internal circuits, For fixed and protected installation, Benefits: Various core insulation colors available, UL certification in accordance with technical data enables the product to be used in North America, Classified fire behavior in accordance with EU Directive 305/2011 (BauPVO/CPR) with article number selection on the LAPP website, Product with multiple certification enables universal use, reduces the variety of parts and thus ensures savings in logistics, Available as a ring or in a disposable large box. Availability of large boxes depends on color and cross-section and is general only up to 6 mm² conductor cross-section,Versatile use in various applications and environments,Manufactured according to harmonized European design H07V-K, with test mark ¿HAR¿ for tested safety and quality (does not apply to the dimensions 0.5 / 0.75 / 1.0 / 16 mm², single colors green and yellow as well as for double colors (except green-yellow)),Compact design for easy processing