TYPE EE M16878/5

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WesBell Type E wire is also known as M16878/5 wire and PTFE wire. It's rated for 1000 volts and higher than normal temperature of 200°C. It is commonly used in electrical and electronic applications where high temperature is encountered. The copper comes in two different possibilities, stranded and solid. Stranded copper is more flexible and bends easily around corners while solid copper holds its form when bent, either of which can be beneficial to certain applications.

Type EE Construction

Hook up wire comes in many variations that are flexible and nonflexible, high and low voltage, high and low temperature, solder iron resistant, and much more. This wire is a single conductor designed with bare copper strands and a silver coating. The silver coating helps adhere to solder when attaching it to the application and it also helps limit the corrosion of the copper over long periods of time. There is a PTFE (Polytetrafluoroethylene) insulation that covers and protects the silver-plated copper from the most common environment it lives; electronics and appliances.

Heat is a main concern of this type of hook up wire even though it’s an added expense during the design and manufacturing processes. Type E reaches 200°C and 1000 volts according to the manufacturer and UL (Underwriter’s Laboratories) tests and approvals. The insulation is the most important part of the construction process because it needs to resist temperatures as it states it will. If the application requires additional protection there will be another type of wire designated for that application, most likely with a higher price tag. Silicone wire and TGGT (MGT) wire resists even higher temperatures up to 1200°C.

Type EE Approvals

This single conductor hook up wire is RoHS compliant, approved as UL1180 and M16878/5, CSA approved, rated for temperatures as high as 200°C and voltages as high as 1000 Volts, and passes a VW-1 flame test. The UL1180 stamp of approval assures that the wire has been tested and approved by UL for all of the tests under those numbers. If you’re looking for a particular approval that’s not listed for this wire there will be another type of hook up wire that probably has it. UL1180 is one of the most basic types of 200°C hook up wire with the least amount of approvals, and is therefore, one of the most affordable as well. As the approvals, temperatures and voltages increase the price will increase with it.

Type EE Applications

The applications are listed based on the approvals which are maximum levels of voltage, temperature, heat and environment. For example, 1180 approved wire cannot be used in applications that require more than 1000 volts, 200°C. It’s most commonly used in electronics and appliances below these specified conditions. If the application is going to be exposed to higher heat during a portion of its life then a different insulation would be required to avoid melted insulation and exposed copper strands.

Copper wire is used to conduct electricity and is needed for applications that require electricity to travel from A to B. As the wire travels from A to B heat, water and voltage can disrupt the copper or even ruin it completely, and disconnect the electrical current. To avoid these things from happening, insulation is used to protect the wire. Each application requires a special protection, as you can imagine wire used indoors would need far less protection than wire used outdoors, which also creates a big price difference.   

Type EE Manufacturers

Several manufacturers design and make Type EE wire in various colors. WesBell buys their hook up wire products from Super Temp, Thermax, Specialty Wire and Harbor. There’s a link to their data sheet below. You shouldn’t assume that all distributors and manufactures have the same approvals just because they call it 1180 wire or M16878/5. Some manufacturers won’t pay for the additional approvals so make sure you ask for the data sheet before you buy it.

  • Construction
  • Silver plated copper strands
  • PTFE insulation
  • Approvals
  • RoHS Compliant
  • UL1180
  • CSA
  • M16878/5
  • 1000 volts
  • 200°C
  • Applications
  • Internal wiring of appliances
  • Device manufacturing
  • Electronics where high temperature is encountered