สายไฟ THW 1x4 Sqmm. (50เมตร) THAI UNION
สายไฟ THW 1x4 THAI-UNION (ไทยยูเนี่ยน)
Conductor : Solid and stranded annealed copper Size 1.5mm2 upto 400mm2
Insulation : Polyvinyl Chloride (PVC/C)
Core Identiflcation : Single-Core Any color
Classlfication : 450/750 70C
Referemce standard : TIS 11 Part3-2553 Table 1
Building wiring for installation on insulator or in raceway dry location