BV/BVV cable (PVC-insulated copper conductor cable) is a widely used electrical wire in building wiring and fixed installations. Its primary applications include:

‌Residential and commercial buildings‌: Used for power distribution in lighting circuits, sockets, switches, and household appliances.
‌Internal wiring of equipment‌: Connects electrical components in control panels, machinery, and industrial devices.
‌Fixed installations‌: Suitable for concealed or surface-mounted wiring in walls, conduits, or cable trays.
‌Low-voltage systems‌: Deployed in AC circuits with voltages up to 450/750 V (as per IEC 60227 standards).

Features

High Flexibility: Stranded copper for easy bending and tight-space installation (e.g., conduits, concealed wiring).
Safety: Flame-retardant PVC insulation, compliant with GB/T 5023 (optional IEC 60332 flame-retardant grade).
Easy Installation: Better contact stability than solid-core BV /BVV cables.

Parameter

Type	Nom. Cross section mm2	No ./Dia. Of Strand mm	Nom. Thickness of insulation mm	Average. OD (Max.) mm	Max. DC conductor resistance at 20ºC Ω/km		Min. insulation resistance at 70ºC MΩ·km
Type	Nom. Cross section mm2	No ./Dia. Of Strand mm	Nom. Thickness of insulation mm	Average. OD (Max.) mm	Copper	Tinned copper	Min. insulation resistance at 70ºC MΩ·km
60227 IEC 01(BV) 450/750V	1.5	1/1.37	0.7	3.3	12.1	12.2	0.011
	1.5	7/0.52	0.7	3.4	12.1	12.2	0.010
	2.5	1/1.76	0.8	3.9	7.41	7.56	0.010
	2.5	7/0.68	0.8	4.2	7.41	7.56	0.009
	4	1/2.24	0.8	4.4	4.61	4.70	0.0085
	4	7/0.85	0.8	4.8	4.61	4.70	0.0077
	6	1/2.73	0.8	4.9	3.08	3.11	0.0070
	6	7/1.04	0.8	5.4	3.08	3.11	0.0065
	10	7/1.33	1.0	6.8	1.83	1.84	0.0065
	16	7/1.70	1.0	8.0	1.15	1.16	0.0050
	25	7/2.12	1.2	9.8	0.727	0.734	0.0050
	35	7/2.50	1.2	11.0	0.524	0.529	0.0040
	50	19/1.78	1.4	13.0	0.387	0.391	0.0045
	70	18/2.12	1.4	15.0	0.268	0.270	0.0035
	95	19/2.50	1.6	17.0	0.193	0.195	0.0035
	120	37/2.00	1.6	19.0	0.153	0.154	0.0032

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