TW&THW

TW and THW are single-conductor building wires widely used in electrical conduits and raceways for general purpose power distribution.

UL 1581 Cable

UL 83 Cable

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Product Description

TW and THW are single-conductor building wires widely used in electrical conduits and raceways for general purpose power distribution.

Application

Wire TW and THW can be used for general purpose wiring for power and lighting, for installation in air, conduit, duct or other recognized raceways,in wet or dry locations.

Maximum voltage rating 600 V.

Applicable Standard

UL 83, UL 1581

Construction

1. Conductor:Solid or stranded bare copper conductor
2. Insulation:PVC(Color Optional)

Technical Parameters

TW&THW

MAXIMUM CONDUCTOR TEMPERATURE

Size	Construction		Conductor Dia.	Insulation Thickness	Approx. Overall Dia.	Approx.Weight
Size	No.of Wires	Dia. of Wires	Conductor Dia.	Insulation Thickness	Approx. Overall Dia.	TW	THW
AWG/Kcmil	No.	mm	mm	mm	mm	kg/km	kg/km
14	1	163	163	0.77	3.17	26.8	26.8
12	1	2.06	2.06	0.77	3.60	38.7	38.7
10	1	2.59	2.59	0.77	4.13	58.1	58.1
8	1	3.27	3.27	1.15	5.57	968	96.8
14	7	0.62	1.86	0.77	3.40	28.3	28.3
12	7	0.78	2.34	0.77	3.88	41.7	41.7
10	7	0.98	2.94	0.77	4.48	62.5	62.5
8	7	124	3.72	1.15	6.02	102.7	102.7
6	7	156	4.68	153	774	165.2	166.7
4	7	196	5.88	1.53	8.94	247.1	248.6
2	7	2.48	744	1.53	10.50	375.1	376.6
1/0	19	189	9.20	2.04	13.28	589.4	592.3
2/0	19	2.13	10.34	2.04	14.42	732.2	735.2
3/0	19	2.39	11.61	2.04	15.69	904.9	909.3
4/0	19	2.68	13.01	2.04	1709	1120.7	1123.6
250	37	2.09	14.20	2.42	19.04	1334.9	1339.4
300	37	2.29	15.55	2.42	20.39	1583.5	15879
350	37	2.47	16.79	2.42	2163	1824.6	1830.5
400	37	2.64	1796	2.42	22.80	2068.6	2074.6
500	37	2.95	20.05	2.42	24.89	2553.8	2559.7
600	61	2.52	22.00	2.80	27.60	3016.4	3021.0
750	61	2.82	24.64	2.80	30.24	3817.3	3824.7
1000	61	3.25	28.40	2.80	34.00	5007.8	5018.2