cross linked polyethylene insulated fire-resistant cables

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0.6/1KW PVC insulation, cross-linked polyethylene insulated fire-resistant cables
I. Product Properties:：
As for fire-resistant cable, GB/T12706-2002 standard may be the reference. Fire-resistant properties should be in line with GB/T18380-2001 standard.
This product use fire-resistant mica as a fire-resistant layer and its sheath is made from flame-retardant PVC sheathing material.
II. Characteristics of usage:
This product is applied to power distribution lines with AC rated voltage of 0.6/1kv and below and the occasions with the need of fire-resistant properties.
When the cable is laid, the ambient temperature should not be less than 0 ℃, and the minimum bending radius is 15 times the outer diameter of the cable.

Type and specifications of the cables: ：

Type	Description	Number of cores	Conductive wire core nominal cross-section mm2
NH-VV	Copper core PVC insulated PVC sheathed fire-resistant cables	1-5	1.5-240
NH-VV22	Copper core PVC insulated PVC sheathed fire-resistant steel belt armored sheathed cables	1-5	2.5-240
NH-YJV	Copper core cross-linked polyethylene insulated PVC sheathed fire-resistant cables	1-5	1.5-240
NH-YJV22	Copper core cross-linked polyethylene insulated steel belt armored PVC sheathed fire-resistant cable	1-5	2.5-240

Specification of the cable number of cores × cross-section mm2	Outer diameter of the cable		Calculated weight of the cable kg / km		20 ℃ conductor DC resistance Ω / km	Cable reference closure discharge (A)
		armored		armored	20 ℃ conductor DC resistance Ω / km	in the air	in the soil
1×1.5	8.7		87		12.1	24	29
1×2.5	9.1		102		7.41	31	38
1×4	10.0		131		4.61	41	49
1×6	10.5		156		3.08	52	61
1×10	11.8	17.0	211	468	1.83	72	83
1×16	12.9	18.1	278	558	1.15	95	105
1×25	14.5	19.7	387	695	0.727	120	135
1×35	15.6	20.8	494	823	0.524	150	160
1×50	17.1	22.5	657	1012	0.387	180	195
1×70	18.5	23.7	851	1235	0.268	230	240
4×95	20.7	25.9	1119	1540	0.193	280	285
1×120	22.4	27.0	1367	1818	0.153	325	250
1×150	24.4	29.7	1680	2173	0.124	375	290
1×185	26.5	32.1	2041	2587	0.991	430	335
1×240	29.5		2604		0.0754	510	395
2×1.5	15.5		228		12.1	15	22
2×2.5	16.3	19.7	270	478	7.41	19	29
2×4	18.2	21.6	361	591	4.61	26	38
2×6	19.3	22.7	434	678	3.08	32	47
2×10	22.1	25.4	613	891	1.83	46	65
2×16	24.3	27.7	823	1130	1.15	60	84
2×25	27.8	33.1	1166	1861	0.727	77	110
2×35	30.5	35.7	1515	2271	0.524	95	130
2×50	34.0	39.2	2041	2878	0.387	115	155
2×70	37.3	42.7	2697	3622	0.268	145	195

Specification of the cable number of cores × cross-section mm2	Outer diameter of the cable		Calculated weight of the cable kg / km		20 ℃ conductor DC resistance Ω / km	Cable reference closure discharge (A)
	not armored	armored	not armored	armored	20 ℃ conductor DC resistance Ω / km	in the air	in the soil
2×95	42.4	48.1	3569	4656	0.193	185	230
2×120	46.1	51.8	4385	5551	0.153	210	260
2×150	50.7	56.7	5417	6731	0.124	245	300
2×185	55.9	62.0	6652	8107	0.0991	280	335
2×240	62.3	68.7	8478	10124	0.0754	335	390
4×4	19.4	22.8	411	657	4.61	26	38
4×6	20.8	24.2	514	776	3.08	32	47
4×10	23.5	26.8	704	997	1.83	46	65
4×16	26.1	29.7	963	2303	1.15	60	84
4×25	29.8	35.0	1366	2106	0.727	77	110
4×35	32.2	37.4	1706	2500	0.524	95	130
4×50	36.1	41.5	2342	3237	0.387	115	155
4×70	39.5	45.0	3068	4065	0.268	145	195
4×95	45.0	50.6	4114	5250	0.195	185	230
4×120	49.0	54.8	5115	6375	0.153	210	260
4×150	52.9	59.0	6163	7508	0.124	245	300
4×185	58.8	65.0	7603	9159	0.0991	280	335
4×240	65.2	71.7	9640	11405	0.0754	335	390
5×2.5	19.2	22.6	394	641	7.41	19	29
5×4	21.6	25.0	528	800	4.61	26	38
5×6	23.0	26.3	645	934	3.08	32	47
5×10	26.4	31.7	921	1582	1.83	46	65
5×16	29.3	34.6	1282	2009	1.15	60	84
5×25	34.0	39.2	1841	2686	0.727	77	110
5×35	37.5	43.0	2425	3325	0.524	95	130
5×50	41.8	47.3	3306	4332	0.387	115	155
5×70	45.8	51.5	4333	5193	0.268	145	195
5×95	52.2	58.1	5772	7125	0.193	185	230
5×120	57.2	63.3	7125	8616	0.153	210	260

Q: How high voltage armored power cable is grounded: Copper braided wire for cable and shielding lead wire. Stripped of the core of the copper shield with the outer layer of the plastic belt, the shield copper belt polished smooth, with electric iron, solder braided copper braid were welded in the three core copper shield tape. And then use the emery cloth polished armored steel strip welding area, with a soft copper wire and copper shield belt tied with three armored steel, and then use electric iron, solder braided copper braided with armored steel belt. In the sealed ground to fill the braided wire with solder to form a moisture-proof section.

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