THHN

600 Volts. Copper Conductor. Thermoplastic Insulation/Nylon Sheath. Heat, Moisture, Oil, and Gasoline Resistant II. All Sizes Rated Both THHN and either THWN(size 14,12 and 10 AWG) or THWN-2(size 8AWG and larger).

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THHN

Type THHN/THWN/THWN-2 cable with soft annealed copper solid or stranded conductor,PVC insulation and nylon jacket , conforming to Standard 83 of Underwriters Laboratories, Inc. They meet the requirements of the VW-1 and CT flame test, gasoline and oil resistant, sunlight resistant. UL file No. E210924.

Type THHN/THWN/THWN-2 are primarily used in conduit and cable trays for services ,feeders and branch circuits in commercial or industrial applications as specified in the National Electrical Code.

Parameter

THHN
G OR	STRAND	NOMINAL INSULATION		NOMINAL JACKET		NOMINAL OVERALL		CABLE WEIGHT
KCMIL	STRAND	THICKNESS INCH/MM		THICKNESS INCH/MM		DIAMETER INCH/MM		LBS/KFT KG/KM
14	1	0.015	0.38	0.004	0.1	0.11	2.79	15	22
12	1	0.015	0.38	0.004	0.1	0.12	3.05	23	34
10	1	0.02	0.51	0.004	0.1	0.15	3.81	37	54
14	19	0.015	0.38	0.004	0.1	0.11	2.79	16	24
12	19	0.015	0.38	0.004	0.1	0.13	3.3	24	36
10	19	0.02	0.51	0.004	0.1	0.17	4.32	39	58
8	19	0.03	0.76	0.005	0.13	0.22	5.59	63	94
6	19	0.03	0.76	0.005	0.13	0.26	6.6	98	145
4	19	0.04	1.01	0.006	0.15	0.33	8.38	157	234
3	19	0.04	1.01	0.006	0.15	0.36	9.14	193	287
2	19	0.04	1.01	0.006	0.15	0.39	9.91	240	357
1	19	0.05	1.27	0.007	0.18	0.43	10.92	300	446
1/0	19	0.05	1.27	0.007	0.18	0.47	11.94	376	560
2/0	19	0.05	1.27	0.007	0.18	0.52	13.21	467	695
3/0	19	0.05	1.27	0.007	0.18	0.57	14.48	581	864
4/0	19	0.05	1.27	0.007	0.18	0.64	16.26	724	1077
250	37	0.06	1.52	0.008	0.2	0.69	17.53	855	1272
300	37	0.06	1.52	0.008	0.2	0.76	19.3	1022	1521
350	37	0.06	1.52	0.008	0.2	0.79	20.07	1191	1772
400	37	0.06	1.52	0.008	0.2	0.85	21.59	1345	2001
500	37	0.06	1.52	0.008	0.2	0.94	23.88	1668	2482
600	61	0.07	1.78	0.009	0.23	1.1	27.94	1994	2967
750	61	0.07	1.78	0.009	0.23	1.16	29.46	2465	36

Construction:
THHN - Dry locations not to exceed 90° C.
THWN - Wet locations not to exceed 75° C or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.
THWN-2 -Wet or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.
Construction:
THHN - Dry locations not to exceed 90° C.
THWN - Wet locations not to exceed 75° C or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.
THWN-2 -Wet or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil.