fire resistant cable with flame retardant pvc insulation pvc sheath

Specifications fire resistant cable with flame retardant pvc insulation pvc sheath

fire resistant cable with flame retardant pvc insulation pvc sheath Executive Standard as GB/T4989-94 & JB/T7495-94  Working Conditition Max. working  temperature Heat-resistant cable:2 kinds including 200°c & 260°c  Common cable:2 kinds including 70°c & 105°c Min. Environment Temperature: Wire & Cable with fluoroplastics insulation & sheath; Fixed Installation:-60°c Otherwise -20°c Wire & Cable with PVC insulation &sheath: Fixed Installation:-40°c Otherwise:-15°c  Bending Radius Allowed: It should be no less than 6 times that of cable outer diameter for cables with PVC insulation and sheath but without armor. It should be no less than 10 times that of cable outer diameter for cables with flunroplastics  insulation and sheath but without armor. It should be no less than 12 times that of cable outer diameter for armored cables. Specification

Description	Core pair(s)	Nominal Cross-section(mm2)	Core Structure
			A	B
Compensational Wire	1	0.5	1/0.80	7/0.30
		1.0	1/1.13	7/0.43
Compensational Cable	1-19	1.5	1/1.37	7/0.52
		2.5	1/1.76	19/0.41

Main Technical Demand                                        Alloy Conductor Material & Insulation Colors of Compensational Wires & Cables

Type	Conductor Materials of Compensational Wires & Cables		Insulation Colors of Compensational Wires		Thermocouple Graduations
	Plus	Minus	Plus	Minus
SC or RC	Cu	Cu-Ni0.6	Red	Green	S(PtRh10-Pt) R(PtRh13-Pt)
KCA	Fe	Cu-Ni22	Red	Blue	K(Ni Cr-Ni Si)
KCB	Cu	Cu-Ni40	Red	Blue
KX	Ni-Cr10	Ni-Si13	Red	Black
EX	Ni-Cr10	Cu-Ni45	Red	Brown	E(Ni Cr-Cu Ni)
JX	Fe	Cu-Ni45	Red	Violet	J(Fe-Cu Ni)
TX	Cu	Cu-Ni45	Red	White	T(Cu-Cu Ni)
NC	Fe	Cu-Ni48	Red	Grey	N(Ni Cr Si-Ni Si)
NX	Ni-Cr14 Si	Ni-Si	Red	Grey

                                                                                                                    Category,Class Mark & Sheath Colors of Compensational                  

Category	Mark code	Error Allowance Grade & Mark		Remarks	Sheath Colors
		Common Grade	Precision Grade		Common Grade	Precision Grade	Intrinsic Safety Type
General	G	Omissible	S	B for common grade in GB4989-85 A for precision grade	Black	Grey	Blue
Heat Resistance	H				Black	Yellow	Blue