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How much do you know about mineral cables?2022.11.30
Mineral cables generally refer to mineral insulated cables, which can be divided into mineral fire-resistant cables in mineral insulated cable industry. Mineral insulated cable is a kind of inorganic material cable. The outer layer of the cable is a seamless copper sheath…
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2022.11.302180Differences between WDZ cable and WDZN cable
1. The main difference between WDZ cable and WDZN cable is that the conductor of WDZN fire-resistant cable is wrapped with a layer of mica tape to keep the cable energized normally for a period of time in case of combustion. 2. The main feature of WDZ …
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2022.11.302352National standard wire diameter table and calculation method
Conversion method: know the square of the wire, calculate the radius of the wire using the formula for calculating the circular area: square number of wires (mm2)=pi (3.14) × Square of wire radius (mm) Knowing the square of the wire, the same is true f…
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2022.11.302018Main functions of cable armouring and stranding
Armored cable refers to the cable with metal material armouring protection layer. The purpose of adding the armouring layer to the cable is not only to enhance the tensile strength, compressive strength and other mechanical protection to extend the service l…
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2022.11.301954What is the effective way to burn off the wire connector
If the wire connector is easy to burn off, it indicates that there is a problem with this line, either the heat is relatively severe or the wire is too thin. Causes of burning out Normally, when the wire is connected, it will cause severe heating…
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