شركة الخليج للكابلات والصناعات الكهربائية

Current Rating-300/500 V Flexible cords

Current rating and voltage drop of Cable given below are based on the IEEE wiring regulations 17^thedition. For detailed information, reference should be made to Appendix 4 of above IEEE edition.

Currnt Carrying Capacity, Voltage Drop and Mass Supportable

Nominal Area of Conductor	Current-carrying Capacity		Voltage Drop		Maximum Mass Supported by flexible cord
Nominal Area of Conductor	Single-phase a.c	Three-phase a.c	Single-phase a.c	Three-phase a.c	Maximum Mass Supported by flexible cord
Sq.mm	A	A	mV/A/m	mV/A/m	kg
0.5	3	3	100	86	2
0.75	6	6	67	58	3
1	10	10	50	43	5
1.5	16	16	35	29	5
2.5	25	20	21	17	5
4	32	25	13	11	5

Installation conditions for above Rating:

Maximum Conductor Temp. for PVC Type 5 Insulation 85°C

Maximum Conductor Temp. for PVC TI1/Type A Insulation 70°C

Ambient Air Temperature 30°C

Rating factor for variation in Ambient temperature

Ambient temperature (°C)	25	30	35	40	45	50	55	60	65
PVC Insulated Cable (85°C)	1	1	1	1	1	0.94	0.87	0.79	0.71
PVC Insulated Cable(70°C)	1	1	0.94	0.87	0.79	0.71	0.61	0.5	0.35