Unscreened THHN/THWN-2 Cable with Ground Wire

Cables for Oil Industry

These cables are use in class 1, Division 2 Hazardous locations, may be installed in trays, wire ways, ducts,

conduit and aerially when properly supported by a messenger. They are approved for direct burial, wet or dry

locations and outdoors in cable trays where a sunlight resistant rating is required.

ICEA S-73-532; ICEA S-95-658; UL 1277; UL 83

Conductor:

Bare, annealed copper conforming to ASTM B3 and B8

Ground wires:

Sized as required by UL 1277. Sizes 14 AWG to 6 AWG have an insulated green ground wire. Sizes 4 AWG and

larger have a bare ground wire.

Insulation:

Flame-retardant PVC/Nylon type THHN/THWN-2 per UL 83 Color coded per Method #1-E2 per ICEA S-73-532

Binder tape

Ripcord:

Nylon

Jacket:

Special PVC, flame retardant, UL listed sunlight and moisture resistant, meeting the requirements of UL 1277.

Color: Black

Aliphatic and aromatic hydrocarbon resistance3 Cores, 600V, Rated 90°C

Conductor Size	Grond Wire Size	Insulation Thickness		Jacket Thickness	Nom. O.D.	Approx. Weight	Ampacity
(AWG/kcmil)	(AWG)	PVC(mm)	Nylon(mm)	(mm)	(mm)	(kg/km)	(amps)
14	14	0.38	0.10	1.14	9.25	135	25
12	12	0.38	0.10	1.14	10.36	188	30
10	10	0.51	0.10	1.14	11.66	284	40
8	10	0.76	0.13	1.52	15.49	449	55
6	8	0.76	0.13	1.52	18.42	628	75
4	8	1.02	0.15	2.03	21.77	963	95
2	6	1.02	0.15	2.03	25.30	1433	130
1	6	1.27	0.18	2.03	28.14	1720	150
1/0	6	1.27	0.18	2.03	30.66	2159	170
2/0	6	1.27	0.18	2.03	32.94	2586	195
3/0	4	1.27	0.18	2.03	35.81	3158	225
4/0	4	1.27	0.18	2.03	38.86	3834	260
250	4	1.52	0.20	2.79	42.09	4508	290
350	3	1.52	0.20	2.79	49.81	6469	350
500	2	1.52	0.20	2.79	56.74	8660	430

4 Cores, 600V, Rated 90°C

*Where the 4th conductor is the neutral of a balanced 3 phase system.