TW/THW, or tracer wire, is used for general purpose wiring circuits, machine tool wiring, and internal wiring of appliances. Common applications of TW/THW electrical wire is great for use in control panels, refrigeration equipment, air conditioning equipment, control wiring of machine tools, automatic washers and more. This type of wire is also found in residential, commercial and industrial buildings. Tracer wire is intended for use in dry areas not exceeding 90 degrees Celsius, or around 200 degrees Fahrenheit. The insulation on TW/THW wire is a heat and moisture resistant polyvinyl compound (PVC). It’s available in 8 AWG through 14 AWG.
Underground Tracer Wire
Underground tracer wire is used to accurately locate underground pipes and lines. The electrical wire tracer is laid alongside the pipes or lines during installation in order to find them at a later date for safe digging. Underground tracer wire is available in sizes 14- 8 6 AWG in an array of colors, depending on the intended use. The insulation is a high molecular weight and high-density polyethylene, which is resistant to abrasions, crushing, chemicals, oils and moisture.
Construction and Specifications:
- The conductor is a solid or stranded copper per spec ASTM B-1, B-3, or B-8.
- Insulation is yellow, high molecular weight polyethylene (HMWPE) ASTM D-1248
- Operating temperature is 70 degree Celsius dry and wet
- Voltage is 20 & 30 Mil = 30 – 300 volts (45 Mil = 600 volts)
- 500′, 1000′, 2500′ reels standard, longer lengths available upon request
This specification describes a single conductor tracer wire. It is intended to carry a radio signal to aid in the location of buried plastic pipes. The tracer wire may be identified by surface printing, indicating manufacturer and/or conductor size. Custom legends are available.
|Conductor||Nominal (in.)||Standard Lengths||Product Wgt. (Lbs./Mft)|
|14||solid||0.020||0.104||500 ft.||2000 ft.||15.3|
|14||solid||0.030||0.124||500 ft.||2000 ft.||17.4|
|14||solid||0.045||0.154||500 ft.||2000 ft.||20.0|
|12||solid||0.020||0.121||500 ft.||2000 ft.||23.7|
|12||solid||0.030||0.141||500 ft.||2000 ft.||24.5|
|12||solid||0.045||0.171||500 ft.||2000 ft.||30.0|
|10||solid||0.030||0.162||500 ft.||2000 ft.||39.3|
|10||solid||0.045||0.192||500 ft.||2000 ft.||43.0|
|8||solid||0.030||0.189||500 ft.||2000 ft.||56.0|
|8||solid||0.045||0.220||500 ft.||2000 ft.||60.0|
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