USA, Canada |
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THHN/THWN/TWN75/T90 |
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Applications Suitable for use as follows: |
• | Type THHN or THWN-2* conductors 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®2 |
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• | When used as Type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90°C |
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• | When used as Type THWN-2*, conductor is suitable for use in wet or dry locations at temperatures not to exceed 90°C or not to exceed 75°C when exposed to oil or coolant |
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• | When used as Type MTW, conductor is suitable for use in wet locations or when exposed to oil or coolant at temperatures not to exceed 60°C or dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 75°C conductor temperature per NFPA 79) |
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• | Conductor temperatures not to exceed 105°C in dry locations when rated AWM and used as appliance wiring material. Voltage for all applications is 600 volts |
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Standards and References |
• | Type THHN or THWN-2* or MTW (also AWM) meets or exceeds all applicable ASTM specifications, UL Standard 83, UL Standard 1063 (MTW), Federal Specification A-A-59544 and requirements of the National Electrical Code®. RoHS Compliant. |
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Construction |
• | Type THHN or THWN-2* or MTW copper conductors are annealed (soft) copper, insulated with a tough heat and moisture resistant polyvinyl chloride (PVC), over which a nylon (polyamide) or UL-listed equal jacket is applied |
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• | Available in black, white, red, blue, green, yellow, orange, brown and grey (For special colors: purple and pink, contact our sales office); Some colors standard; Versions with stripes are also available, subject to economic order quantity |
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600 Volt Copper Conductor Thermoplastic Insulation/Nylon Sheath Heat, Moisture, Oil and Gasoline Resistant1 Sizes 8 AWG and Larger Rated THWN-2 All Stranded Sizes Rated MTW and THWN Sizes 14 through 6 AWG Rated AWM (105°C) Sizes 14 through 1 AWG Rated VW-1 Solid construction available in sizes 14 through 10 AWG as Types THHN or THWN or AWM only. |
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Specifications |
• | MTW or THHN or THWN-2 Conductors shall be UL-listed Type MTW or THHN or THWN-2* gasoline and oil resistant II, suitable for operations at 600 volts as specified in the National Electrical Code®. Sizes 14 through 6 AWG shall be rated VW-1. Conductors shall be annealed copper, insulated with high-heat and moisture resistant PVC, jacketed with abrasion, moisture, gasoline and oil resistant nylon. |
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• | AWM Conductors shall be UL-listed Type THHN or THWN-2* or MTW or AWM, suitable for operation at 600 volts at conductor temperatures not to exceed 105°C. |
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* rated -2 for 8 AWG and larger only |
1 Oil and gasoline resistant II as defined by Underwriters Laboratories |
2 2005 Edition |
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THHN/THWN Stranded Bare Copper Conductor |
Size AWG or MCM |
approx. Size (mm²) |
Number of Strands |
Insulation Thickness (mils) |
Jacket Thickness (mils) |
Nominal O.D. (mils) |
Allowable Ampacities* 60°C/75°C/90°C |
Standard Package** feet (m) |
14 |
2.08 |
19 |
15 |
4 |
109 |
15/15/15 |
4x 500' (152) |
12 |
3.31 |
19 |
15 |
4 |
128 |
20/20/20 |
4x 500' (152) |
10 |
5.26 |
19 |
20 |
4 |
161 |
30/30/30 |
2x 500' (152) |
8 |
8.37 |
19 |
30 |
5 |
213 |
40/50/55 |
2x 500' (152) |
6 |
13.30 |
19 |
30 |
5 |
249 |
55/65/75 |
1x 500' (152) |
4 |
21.15 |
19 |
40 |
6 |
318 |
70/85/95 |
1x 500' (152) |
3 |
26.65 |
19 |
40 |
6 |
346 |
85/100/110 |
1x 500' (152) |
2 |
33.62 |
19 |
40 |
6 |
378 |
95/115/130 |
1x 500' (152) |
1 |
42.40 |
19 |
50 |
7 |
435 |
110/130/150 |
Call |
1/0 |
53.50 |
19 |
50 |
7 |
474 |
125/150/170 |
Call |
2/0 |
64.40 |
19 |
50 |
7 |
518 |
145/175/195 |
Call |
3/0 |
85.10 |
19 |
50 |
7 |
568 |
165/200/225 |
Call |
4/0 |
107.1 |
19 |
50 |
7 |
624 |
195/230/260 |
Call |
250 |
126.6 |
37 |
60 |
8 |
694 |
215/255/290 |
Call |
300 |
151.8 |
37 |
60 |
8 |
747 |
240/285/320 |
Call |
350 |
177.3 |
37 |
60 |
8 |
797 |
260/310/350 |
Call |
400 |
202.7 |
37 |
60 |
8 |
842 |
280/335/380 |
Call |
500 |
252.9 |
37 |
60 |
8 |
926 |
320/380/430 |
Call |
600 |
304.1 |
61 |
70 |
9 |
1924 |
355/420/475 |
Call |
750 |
379.0 |
61 |
70 |
9 |
1126 |
400/475/535 |
Call |
1000 |
507.0 |
61 |
70 |
9 |
1275 |
455/545/615 |
Call |
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THHN/THWN Solid Bare Copper Conductor |
Size AWG |
approx. Size (mm²) |
Number of Strands |
Insulation Thickness (mils) |
Jacket Thickness (mils) |
Nominal O.D. (mils) |
Allowable Ampacities* 60°C/75°C/90°C |
Standard Package** feet (m) |
14 |
2.08 |
Solid |
15 |
4 |
102 |
15/15/15 |
4x 500' (152) |
12 |
3.31 |
Solid |
15 |
4 |
119 |
20/20/20 |
4x 500' (152) |
10 |
5.26 |
Solid |
20 |
4 |
150 |
30/30/30 |
2x 500' (152) |
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Solid construction available in sizes 14 through 10 AWG as Types THHN or THWN or AWM only. Sizes 14 through 6 AWG also suitable for 105°C appliance wiring material (AWM). |
* Allowable ampacities shown are for general use as specified by the National Electrical Code®, 2005 Edition, section 310.15 unless the equipment is marked for use at higher temperatures the conductor ampacity shall be limited to the following: 60°C - When terminated to equipment for circuits rated 100 amperes or less or marked for size 14 through 6 AWG conductors. MTW wet locations or when exposed to oil or coolant. 90°C - THHN dry locations. THWN-2 wet or dry locations. For ampacity derating purpose |
** Sizes 14 and 12 AWG contain four 500 feet spools per carton. Sizes 10 and 8 AWG contains two 500 feet spools per carton. Larger sizes standard length is 500 feet (Contact our sales office for smaller quantities). |
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Size AWG |
Size (mm²) |
Number of Strands |
Insulation Thickness (mils) |
Jacket Thickness (mils) |
Nominal O.D. (mils) |
Allowable Ampacities* 60°C/75°C/90°C |
Standard Package** feet (m) |
14 |
2.08 |
19 |
15 |
4 |
109 |
15/15/15 |
4x 500' (152) |
12 |
3.31 |
19 |
15 |
4 |
128 |
20/20/20 |
4x 500' (152) |
10 |
5.26 |
19 |
20 |
4 |
161 |
30/30/30 |
2x 500' (152) |
8 |
8.37 |
19 |
30 |
5 |
213 |
40/50/55 |
2x 500' (152) |
6 |
13.30 |
19 |
30 |
5 |
249 |
55/65/75 |
1x 500' (152) |
4 |
21.15 |
19 |
40 |
6 |
318 |
70/85/95 |
1x 500' (152) |
3 |
26.65 |
19 |
40 |
6 |
346 |
85/100/110 |
1x 500' (152) |
2 |
33.62 |
19 |
40 |
6 |
378 |
95/115/130 |
1x 500' (152) |
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Solid construction available in sizes 14 through 10 AWG as Types THHN or THWN or AWM only. Sizes 14 through 6 AWG also suitable for 105°C appliance wiring material (AWM). |
* Allowable ampacities shown are for general use as specified by the National Electrical Code®, 2005 Edition, section 310.15 unless the equipment is marked for use at higher temperatures the conductor ampacity shall be limited to the following: 60°C - When terminated to equipment for circuits rated 100 amperes or less or marked for size 14 through 6 AWG conductors. MTW wet locations or when exposed to oil or coolant. 90°C - THHN dry locations. THWN-2 wet or dry locations. For ampacity derating purpose |
** Sizes 14 and 12 AWG contain four 500 feet spools per carton. Sizes 10 and 8 AWG contains two 500 feet spools per carton. Larger sizes standard length is 500 feet (Contact our sales office for smaller quantities). |
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Stock availability |
Catalog No. |
Description |
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Stock |
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Stranded Wire 10AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12523 green |
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304 |
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Stranded Wire 10AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12522 red |
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304 |
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Stranded Wire 10AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12520 black |
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304 |
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Stranded Wire 12AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12441 blue |
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608 |
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Stranded Wire 12AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12439 green |
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608 |
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Stranded Wire 12AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12436 black |
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456 |
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Stranded Wire 12AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12437 white |
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608 |
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Stranded Wire 14AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12374 green |
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608 |
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Stranded Wire 14AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12371 black |
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912 |
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Stranded Wire 14AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12372 white |
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912 |
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Stranded Wire 2AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12651 black |
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152 |
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Stranded Wire 4AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12621 blue |
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152 |
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Stranded Wire 4AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12619 green |
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152 |
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Stranded Wire 4AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12618 red |
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152 |
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Stranded Wire 4AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12616 black |
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152 |
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Stranded Wire 4AWG 600V THHN/THWN 90°C, MTW, Put-up 500ft (152m), ID#12617 white |
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152 |
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Stranded Wire 6AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, ID#12590 green |
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150 |
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Stranded Wire 6AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, ID#12587 black |
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10 |
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Stranded Wire 8AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12557 green |
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304 |
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Stranded Wire 8AWG 600V THHN/THWN 90°C, MTW, AWM 105°C, Put-up 500ft (152m), ID#12556 red |
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304 |
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Select desired product above to get further informations. Non stock products have a minimum order quantity. |
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Stranded Bare Copper Conductor |
AWG / Color |
black |
blue |
brown |
green |
grey |
orange |
pink |
purple |
red |
white |
yellow |
14 |
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12 |
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10 |
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8 |
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— |
— |
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6 |
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— |
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4 |
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3 |
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2 |
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EDP numbers printed in bold indicates availability from current stock. Contact our sales office for the others. |
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Versions with stripes are also available, subject to economic order quantity. |
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Stock availability |
Catalog No. |
Description |
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Stock |
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Solid Wire 600V THHN AWG 14 black, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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304 |
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Solid Wire 600V THHN AWG 14 white, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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304 |
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Solid Wire 600V THHN AWG 14 red, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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608 |
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Solid Wire 600V THHN AWG 14 green, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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760 |
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Solid Wire 600V THHN AWG 14 blue, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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456 |
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Solid Wire 600V THHN AWG 12 white, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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608 |
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Solid Wire 600V THHN AWG 12 green, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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608 |
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Solid Wire 600V THHN AWG 10 black, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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152 |
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Solid Wire 600V THHN AWG 10 white, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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304 |
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Solid Wire 600V THHN AWG 10 green, Nylon Jacket, PVC Insulation, Gasoline and Oil resistant, UL, cUL |
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304 |
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Select desired product above to get further informations. Non stock products have a minimum order quantity. |
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Solid Bare Copper Conductor |
AWG / Color |
black |
blue |
brown |
green |
grey |
orange |
pink |
purple |
red |
white |
yellow |
14 |
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12 |
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10 |
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EDP numbers printed in bold indicates availability from current stock. Contact our sales office for the others. |
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Versions with stripes are also available, subject to economic order quantity. |
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Further products and information |
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| Further popular Products |
Product image |
Product group and Description |
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Solid Conductors Type THHN or THWN, #14 to #10 AWG, 600 Volt, UL THHN-THWN, UL MTW, AWM 1316-1321, 1408-1414, 1452-1453, cUL |
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Hook-Up Wires, MTW, TFFN, TFF, TW, THW, TEW, AWM Style 1015, 1028, 1230, 1231, 1232, 1283, 1408, 1452, 1841, 10269 |
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Machine Tool, Building, Fixture, Equipment, Appliance Wires, 18 to 2 AWG, 600 Volts |
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Hook-Up Wire, UL AWM Style 1015, CSA TEW-105, 600V, 105°C, 24AWG to 10AWG Stranded Tinned Copper |
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Hook-Up Wire, UL AWM Style 1007/1569, CSA TR-64, 300V, 30AWG to 16AWG, Tinned Copper |
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Solid Building Wire, TFN/TEWN, 18AWG and 16AWG, 600V, Gasoline and Oil Resistant, UL AWM Styles 1316 1408 1452 1841 |
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90°C TFFN, 18 AWG, 600 Volts, Gasoline and Oil Resistant II, 90°C MTW, CSA TEWN 105°C |
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Solid and Stranded Wire, Type XHHW-2, XLP Insulation per UL-44, Single Conductor, 600 Volts, Gasoline and Oil Resistant II, 90°C Wet or Dry |
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Select desired product group above to get further informations. |
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| Additional Products and Information at this Topic |
Product image |
Products and Information at this Topic |
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Hook-Up Wires, Machine Tool Wires, Appliance Wires |
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Select desired topic above to get further informations. |
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Specifications and information are nominal and are subject to change without notice.