Underground Power Cable

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This underground power cable is manufactured complying with national standards and has been awarded the CCC - China Compulsory Certification, which includes the national security certificate ( CCEE ), imports of safety and quality licensing system CCIB, and China Certification Electromagnetic Compatibility ( EMC )

Reference standard: JB/T2171-1999

Application
This buried cable is suitable for fixed distribution lines and electrical facilities for underground agricultural applications with A/C voltages rated 450/750V and below.

Product characteristics
Max continuous working temperature of conductor should not exceed 70℃. Surrounding temperature when laying the underground electric cable should not be less than 0℃.

Model and descriptions of Underground Power Cable

Model	Description
NLYV	Agricultural buried underground, aluminum core PE insulated PVC sheathed wire.
NLYV-H	Agricultural buried underground, cold resistant, aluminum core, PE insulated, PVC sheathed wire.
NLYY	Agricultural buried underground, aluminum core, PE insulated, black PVC sheathed wire.
NLVV	Agricultural buried underground, aluminum core, PVC insulated, PVC sheathed wire.

Specifications of Underground Power Cable

Nominal cross section mm2			4	6	10	16	25	35	50	70	95
Number of Cable Cores, Diameter of Individual Core(mm)			1/2.25	1/2.76	7/1.35	7/1.70	7/2.14	7/2.52	19/1.78	19/2.14	19/2.52
Insulation nominal thickness (mm)			0.8	0.8	1.0	1.0	1.2	1.2	1.4	1.4	1.6
Sheath thickness (mm)			1.2	1.2	1.4	1.4	1.4	1.6	1.6	1.6	2.0
Average Diameter(mm)	Pressed conductor	max	6	6.4	8.2	9.2	10.8	12.2	13.5	15	18.2
	Pressed conductor	min	6.9	7.4	9.8	10.9	12.8	14.4	16.2	18.5	21.5
	Tightly pressed conductor	max				9.1	10.5	11.8	13.2	14.8	17.06
	Tightly pressed conductor	min				10.9	12.6	14.1	15.7	17.4	20.5
Conductor resistance at 20℃≤Ω			7.39	4.91	3.08	1.91	1.20	0.868	0.641	0.443	0.320
Insulation resistance (Ω)	NLYVNLYV-HNLYY	20	600
	NLYVNLYV-HNLYY	70	300
	NLVV	20	8	7	7	6	5	5	5	5	5
	NLVV	70	0.0085	0.007	0.0065	0.005	0.005	0.004	0.0045	0.0035	0.0035
Approximate Weight/kg			45.8	54.0	90.2	112.9	156.8	209.1	256.9	338.6	448.5