Type THHN/THWN/THWN-2 Wire, THHN Cable, THWN Cable, UL Wire

OVERVIEW

SPECIFICATIONS

CONSTRUCTION

PARAMETER

Application

for use as general-purpose wiring for installation in conduit or other recognized raceway. THHN wire may also be used for machine tool, appliance, and control circuit wiring. Read on below for THHN wire specs.

Standards:

UL83: Standard for requirements for 600V, single condutor thermoplastic-insulated wire and cables.

Technical Data

Voltage: 600v
Max conductor temperature: Oil: 75°C, Wet 75°C, Dry 90°C

Specifications

Low Voltage

construction

Conductor:

Bare, soft annealed stranded copper

Insulation:

PVC (Polyvinyl-Chloride)

Coating:

Nylon

Colours:

Black, Blue, Green, Brown, Red, Orange, Yellow, Gray, White, Pink, Tan; Striping and Other colors available upon request.

parameter

Type THHN/THWN/THWN-2 Wire

Section (AWG or MCM)	Number of strands (Nos)	Insulation thickness (mils)	Jacket thickness Min. (mils)	Approx.Nominal OD (inch)
14	Solid or 7	15	4	0.86
12	Solid or 7	15	4	1.00
10	Solid or 7	20	4	1.27
8	7 or 19	30	5	1.67
6	7 or 19	30	5	1.97
4	7 or 19	40	6	2.51
2	7 or 19	40	6	2.97
1	7 or 19	50	7	3.45
1/0	19	50	7	3.76
2/0	19	50	7	4.12
3/0	19	50	7	4.52
4/0	19	50	7	4.97
250	19	60	8	5.50
350	37	60	8	6.32
400	37	60	8	6.68
450	37	60	8	7.03
500	37	60	8	7.34
750	61	70	9	8.95

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