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Tri-rated cable meets three international standards and is used to create electrical panels. It consists of a copper conductor and PVC insulation, with different sizes and resistances. True tri-rated cables must pass all three standards, and non-toxic variants are required for public places. The cable comes in different colors and sizes, with varying energy-conducting abilities.
A stranded wire is unique in that it meets three different international standards and is made to create electrical panels. The cable itself consists of a copper conductor and polyvinyl chloride (PVC) insulation. While commonly referred to as a single type of cable, there are many tri-core cables with different sizes and resistances. A non-toxic variant of this cable is required if the cable is used in a public place because if a standard cable catches fire, the smoke is extremely toxic.
To be a true tri-rated cable, it must pass three international standards. British Standard 6231 (BS6231) is a standard given to cables which include a single conductor, use PVC insulation and have a voltage rating of between 600 and 1,000 volts (V). Under the Canadian Standards Association (CSA), shredded cables are assigned the number C22.2, 49; this standard rates lift and flex cable and the cable should be rated at 600V maximum. The third standard is from Underwriters Laboratory (UL), which approves stranded wires to UL62, specified for flexible wires.
Many manufacturers claim that they sell tri-classed cable when in fact they are not, because the manufacturer either doesn’t understand what true tri-class cable is or wants to boost cable sales. Manufacturers can mismarket the cable, because it meets one of the safety standards. True tri-rated cables must meet all three standards simultaneously, and the standards logo will usually appear on the packaging.
Trirated cable consists of two parts. Inside the cable is the conductor wire, which is responsible for conducting electricity. This core is made from plain copper which has Class 5 flexibility, which means it is very flexible. The outer insulation is heat resistant PVC, which protects operators from the heat of the wire when it is in operation and protects the inner wire from external forces. This insulator comes in many different colors, including blue, orange, red, and green.
While a tri-level cable must pass all three standards, there are many different tri-level cables. The construction of the cable will have different sized cores and insulation, making the cable useful for different operations. The amount of energy each wire can conduct will also differ, depending on the size of the conductor.
If a stranded wire is used to build an electrical panel in a public place, then it must be a special, non-toxic wire. These wires must release small amounts of smoke and be halogen free. This is because normal shredded wires release toxic levels of halogen if they catch fire, quickly causing death.
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