UL 4703 Photovoltaic Wire

UL 4703 Type PV wire rated 600V-2000V. RHW-2: 105°C dry/90°C wet. Bare/tinned copper, XLPE, VW-1 flame. UV/ozone/weather resistant.

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Application

UL 4703 Type PV wire (600V to 2000V) for photovoltaic systems in North American markets: grounded/unrounded PV arrays, panel connections, and inverter wiring. Bare or tinned copper per ASTM B8/B33, XLPE insulation. RHW-2 rating: 105°C dry, 90°C wet. UV/ozone/weather resistant. VW-1 flame test per UL 1581. Suitable for exposed outdoor runs, conduit, and direct burial.

Core Strengths

North American solar projects require UL listed PV wire for NEC compliance. Our UL 4703 Type PV rated 600V-2000V, RHW-2: 105°C dry/90°C wet. Bare/tinned copper, XLPE insulation, VW-1 flame rated. UV/ozone/weather resistant.

Standard

ASTM B3,ASTM B8,ASTM B33

UL 44 RHW-2,UL 1581 VW-1

UL4703 Type Photovoltaic Wire

Construction

☉〉 Conductor: Bare or tinned copper (Class B/C per ASTM B8/B33)
☉〉 Insulation: Flame-retardant XLPE

Features

☉〉 Rated 600V-2000V, RHW-2: 105°C dry / 90°C wet

☉〉 XLPE insulation: UV, ozone & weather resistant

☉〉 VW-1 flame rated per UL 1581

☉〉 Suitable for exposed outdoor runs, conduit & direct burial

☉〉 Meets UL 4703 Type PV / UL 44 / ASTM B3/B8/B33

Product Data Sheet

600V PV Cable

Cross section area	Number of wires	Nominal conductor diameter		Min.average thickness of insulation		Min.thickness at any point of insulation		Approx. overall diameter		Approx. weight		Max conductor DC resistance	Ampacity in free air (ambient 30℃)
AWGI kcmil	No.	mm	inches	mm	mils	mm	mils	mm	inches	Ibs/feet	kg/km	Q/km	A
14	19	1.80	0.071	1.52	60	1.37	54	5.0	0.20	28	42	8.46	35
12	19	2.26	0.089	1.52	60	1.37	54	5.4	0.21	38	56	5.35	40
10	19	2.87	0.113	1.52	60	1.37	54	6.0	0.24	52	78	3.35	55
8	19	3.61	0.142	1.90	75	1.73	68	7.6	0.30	83	123	2.10	80
6	19	4.52	0.178	1.90	75	1.73	68	8.5	0.33	118	175	1.32	105
4	19	5.72	0.225	1.90	75	1.73	68	9.7	0.38	172	256	0.830	140
2	19	7.19	0.283	1.90	75	1.73	68	11.2	0.44	256	380	0.522	190
1	19	8.18	0.322	2.41	95	2.18	86	13.1	0.52	331	493	0.417	220
1/0	19	9.19	0.362	2.41	95	2.18	86	14.2	0.56	407	606	0.328	260
2/0	19	10.0	0.394	2.41	95	2.18	86	15.0	0.59	496	737	0.261	300
3/0	19	11.6	0.457	2.41	95	2.18	86	16.6	0.65	613	912	0.207	350
4/0	19	13.0	0.512	2.41	95	2.18	86	18.0	0.71	757	1126	0.164	405
250	37	14.2	0.559	2.79	110	2.51	99	19.9	0.78	902	1342	0.139	455
300	37	15.5	0.610	2.79	110	2.51	99	21.2	0.83	1064	1582	0.116	500
350	37	16.8	0.661	2.79	110	2.51	99	22.5	0.89	1230	1829	0.0991	570
400	37	17.9	0.705	2.79	110	2.51	99	23.6	0.93	1393	2071	0.0866	615
500	37	20.0	0.787	2.79	110	2.51	99	25.7	1.01	1710	2543	0.0695	700
600	61	22.0	0.866	3.18	125	2.84	112	28.4	1.12	2056	3057	0.0581	780
750	61	24.6	0.969	3.18	125	2.84	112	31.0	1.22	2548	3789	0.0462	885
1000	61	28.4	1.118	3.18	125	2.84	112	34.8	1.37	3333	4955	0.0348	1055

1000V or 2000V PV Cable

Cross section area	Number of wires	Nominal conductor diameter		Min.average thickness of insulation		Min.thickness at any point of insulation		Approx. overall diameter		Approx. weight		Max conductor DC resistance	Ampacity in free air (ambient 30℃)
AWGI kcmil	No.	mm	inches	mm	mils	mm	mils	mm	inches	Ibs/feet	kg/km	QΩ/km	A
14	19	1.80	0.071	1.90	75	1.73	68	5.8	0.227	35	51	8.46	35
12	19	2.26	0.089	1.90	75	1.73	68	6.2	0.245	45	66	5.35	40
10	19	2.87	0.113	1.90	75	1.73	68	6.8	0.269	60	89	3.35	55
8	19	3.61	0.142	2.15	85	1.96	77	8.1	0.318	89	132	2.10	80
6	19	4.52	0.178	2.15	85	1.96	77	9.0	0.354	124	185	1.32	105
4	19	5.72	0.225	2.15	85	1.96	77	10.2	0.401	180	267	0.830	140
2	19	7.19	0.283	2.15	85	1.96	77	11.7	0.459	264	393	0.522	190
1	19	8.18	0.322	2.66	105	2.41	95	13.6	0.54	341	507	0.417	220
1/0	19	9.19	0.362	2.66	105	2.41	95	14.7	0.58	418	622	0.328	260
2/0	19	10.0	0.394	2.66	105	2.41	95	15.5	0.61	507	754	0.261	300
3/0	19	11.6	0.457	2.66	105	2.41	95	17.1	0.67	626	930	0.207	350
4/0	19	13.0	0.512	2.66	105	2.41	95	18.5	0.73	770	1146	0.164	405
250	37	14.2	0.559	3.04	120	2.74	108	20.4	0.80	918	1365	0.139	455
300	37	15.5	0.610	3.04	120	2.74	108	21.7	0.85	1080	1606	0.116	500
350	37	16.8	0.661	3.04	120	2.74	108	23.0	0.91	1247	1855	0.0991	570
400	37	17.9	0.705	3.04	120	2.74	108	24.1	0.95	1411	2098	0.0866	615
500	37	20.0	0.787	3.04	120	2.74	108	26.2	1.03	1730	2573	0.0695	700
600	61	22.0	0.866	3.43	135	3.07	121	28.9	1.14	2078	3089	0.0581	780
750	61	24.6	0.969	3.43	135	3.07	121	31.5	1.24	2572	3825	0.0462	885
1000	61	28.4	1.118	3.43	135	3.07	121	35.3	1.39	3360	4995	0.0348	1055

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