1, Professional MQC 2, Free sample 3, All-heart service 4, Reply in 12 hours 1, StandardJB/T 8734.22, ApplicationFixed wiring of the occasion to request flexible ( construction, building, housing, lighting...)3,SpecificationSectional area(mm²)No. /mmOut. Diameter( mm)2.519/0.412.054.019/0.52 2.66.019/0.64 3.21049/0.52 4.191649/0.64 5.162598/0.58 7.4435133/0.58 8.7