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THHN/THWN cable

THHN/THWN Conductors are primarily used in conduit for services,feeder and branch circuits in commercial or industrial applications as specified in the National Electrical Code. For the type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90ºC. As for the type THWN,conductor is suitable in wet or dry locations at temperatures not to exceed 90ºC in dry locations or 75ºC in wet locations or not to wxceed 75ºC when exposed to oil or coolant. Conductor temperatures are not to exceed 105ºC in dry locations when rated AWM, which is used as appliance wiring material. Voltage rating for all applications in 600 volts.

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Product description

Product Applications
THHN/THWN Conductors are primarily used in conduit for services,feeder and branch circuits in commercial or industrial applications as specified in the National Electrical Code. For the type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90ºC. As for the type THWN,conductor is suitable in wet or dry locations at temperatures not to exceed 90ºC in dry locations or 75ºC in wet locations or not to wxceed 75ºC when exposed to oil or coolant. Conductor temperatures are not to exceed 105ºC in dry locations when rated AWM, which is used as appliance wiring material. Voltage rating for all applications in 600 volts.
Product Construction
Conductor:copper,aliminum,aluminum alloy, CCA
Insulation:flame retardant PVC(polyvinyl chloride).
Jacket:tough polyamide nylon,It is also resistant to oil ,gasoline and heat-resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 90ºC dry only.

Product performance
1.Outer power line is good at insulation property machines property and non-inflammability with reliable quality attend convenient durability.The wire have good electrical insulation, mechanical and non-extensile property with its reliability and durability.
2.Finished wire should have wire model and voltage signs.The wires should have security marks of manufacturers’ names, types of cables and rated voltage on the insulation or out sheath.

Note
1:THHN:It indicates a single or stranded conductor having flame-retardant and heat-resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 90ºC dry only.
2:It indicates a single or stranded conductor having flame-retardant,moisture and heat-resistant thermoplastic insulation with a jacket of extruded nylon or equivalent. The Wire is rated 75ºC wet or 90 ºC dry.

Model Name
BV Copper Core PVC Insulation Wire
BLV Aluminum Core PVC Insulation Wire
BVR Copper Core PVC Insulation Flexible Wire
BVV Copper Core PVC Insulation PVC Sheath Round Wire
BVVB Copper Core PVC Insulation PVC Sheath Flat Wire
BLVVB Aluminum Core PVC Insulation PVC Sheath Flat Wire
BV-90 Copper Core Heat-resistance 105 o CPVC Insulation
Nominal Section Conductor No./Dia Max. Outer Dia Reference Weight(kg/km) Conductor Resistance at 20 o C ≤ ( Ω /km)
(mm 2 ) (mm) (mm) Copper Aluminum Aluminum Copper
1.5(A) 1/1.38 3.3 20.3     12.1
1.5(B) 7/0.52 3.5 21.6     12.1
2.5(A) 1/1.78 3.9 31.6 17 11.8 7.41
2.5(B) 7/0.68 4.2 34.8     7.41
4(A) 1/2.55 4.4 47.1 22 7.39 4.61
4(B) 7/0.85 4.8 50.3      
6(A) 7/0.85 4.8 50.3 29 4.91 3.08
6(B) 7/1.04 5.4 71.2     3.08
10 7/1.35 7.0 119 62 3.08 1.83
16 7/1.70 8.0 179 78 1.91 1.15
25 27/2.04 10.0 281 118 1.20 0.727
35 27/2.52 11.5 381 156 0.868 0.524
50 19/1.78 13.0 521 215 0.641 0.387
70 19/2.14 15.0 734 282 0.443 0.268
95 19/2.52 17.5 962 385 0.320 0.193
120 37/2.03 19.0 1180 431 0.253 0.153
150 37/2.25 21.0 1470 539 0.206 0.124
185 37/2.52 23.5 1810 666 0.164 0.0991
240 61/2.25 26.5 2350 857 0.125 0.0754
300 61/2.52 29.5 2930 1070 0.100 0.0601
400 61/2.85 33.0 3870 1390 0.0778 0.0470

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