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Home Cable, Wire & Assemblies Wire MTW Wire

MTW Wire

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MTW wire, short for Machine Tool Wire, is commonly used for the internal wiring of appliances, machine tools, and control cabinets. It is designed to be highly versatile and is frequently used in both wet and dry locations. MTW wire adheres to the National Electrical Code and often also meets Canadian Standards Association (CSA) requirements. This makes it a suitable choice for various machine tool applications and appliance wiring applications.

One of the key features of MTW wire is its temperature resistance. It is generally rated for 90°C but can also be found with a 105°C rating, making it appropriate for environments with varying temperatures. The wire itself is often made of bare copper, making it efficient for electrical conductivity. For insulation, PVC is most commonly used, giving it the flexibility needed for intricate wiring paths within machines and appliances.

MTW wire is also offered in both solid and stranded configurations. Stranded wire is generally more flexible and is better suited for applications where the wire may be exposed to movement or bending, like in control cabinets. Solid wire, on the other hand, is often used in applications where minimal movement is expected.

Products

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MTW 18WHITE-Blue Stripe 500ft
MTW 18WHITE-Blue Stripe 500ft
$143.50
Southwire MTW 18 gauge white wire with blue stripe 500' roll. 26 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 16WHITE-Blue Stripe 500ft
MTW 16WHITE-Blue Stripe 500ft
$208.34
Southwire MTW 16 gauge white wire 500' roll. 26 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 14WHITE-Blue Stripe 500ft
MTW 14WHITE-Blue Stripe 500ft
$256.66
Southwire MTW 14 gauge white with blue stripe wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12GRAY 500ft
MTW 12GRAY 500ft
$287.88
Southwire MTW 12 gauge gray wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12PURPLE 500ft
MTW 12PURPLE 500ft
$287.88
Southwire MTW 12 gauge purple wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12BROWN 500ft
MTW 12BROWN 500ft
$287.88
Southwire MTW 12 gauge brown wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12ORANGE 500ft
MTW 12ORANGE 500ft
$287.88
Southwire MTW 12 gauge orange wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12YELLOW 500ft
MTW 12YELLOW 500ft
$287.88
Southwire MTW 12 gauge yellow wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12GREEN 500ft
MTW 12GREEN 500ft
$287.88
Southwire MTW 12 gauge green wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12BLUE 500ft
MTW 12BLUE 500ft
$287.88
Southwire MTW 12 gauge blue wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12RED 500ft
MTW 12RED 500ft
$287.88
Southwire MTW 12 gauge red wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.
MTW 12WHITE 500ft
MTW 12WHITE 500ft
$287.88
Southwire MTW 12 gauge white wire 500' roll. 19 strand bare, annealed copper class C stranding with Color-coded, Polyvinyl Chloride (PVC) heat- and moisture resistant, flame-retardant compound per UL 1063 and UL 83. Primarily used in control cabinets, in machine tool applications and appliance wiring applications at temperatures -25°C to 90°C. They comply with the National Electrical Code (NEC) and NFPA Standard 79. Voltage rating for all applications is 600 volts.

More Information about MTW Wire

The wire is also UL-rated, which means it meets certain safety and quality standards. In terms of its versatility, MTW wire can be used in both internal wiring and external applications, such as being encased in a cable for added protection. Its resistance to oil and other chemicals often found in machine tool applications makes it a robust choice for various industrial settings.

MTW wire offers a reliable and flexible solution for internal wiring in machine tools, appliances, and control cabinets. It's designed to meet the stringent requirements of the National Electrical Code and often the Canadian Standards Association, making it a go-to choice for various applications. Its temperature ratings and material choices like bare copper and PVC insulation make it adaptable to a range of environmental conditions, from wet locations to those exposed to high temperatures.

 

Industrial Wire Types: Part 1

THHN

Thermoplastic, High Heat resistant, Nylon jacket insulation (THHN) wire is used in conduit or in cable trays due to its rigidity and tough insulation characteristics. THHN can be stranded (several small strands of wire grouped together), allowing for more flexibility and less chance of breakage, or solid (one wire), which is more durable and rigid. THHN wire is suitable for use in dry locations with temperatures that do not exceed 90 degrees Celsius.

XHHW

Cross-linked polyethylene, High Heat-resistant, Water-resistant (XHHW) wire is very similar to THHN. The difference is that XHHW wire is overall a more durable wire that can withstand higher temperatures and is water resistant. XHHW wire can also be found in both stranded and solid wire options.

MTW

Machine Tool Wire (MTW) wire is much more flexible than THHN wire with insulation that is not as durable, making it a poor choice to run through conduit. The flexibility makes it ideal for winding through tight areas, such as wire ducting in an industrial control cabinet. MTW wire is almost exclusively found in stranded wire, which allows for much of the flexibility and reduces the chances of the wire breaking. MTW wire is intended for use in dry locations that do not exceed 90 degrees Celsius or wet locations that do not to exceed 60 degrees Celsius. 

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