source:Industry News Popular:adapter release time:2021-05-15 10:10:17 Article author:sznbone
The diameter of the wire has a lot to do with the ability of the wire to carry current. The smaller the wire gauge number, the thicker the wire diameter, the greater the current that can be carried; on the contrary, the larger the wire gauge number, the smaller the wire diameter and the smaller the current that can be carried. The AWG table is suitable for single, solid and round wires. The AWG value of the twisted wire is determined by the total cross-sectional area of all wires, and because there are always some gaps between the twisted wires, the diameter of the twisted wire with the same AWG value is always slightly larger than the diameter of a single wire.
The AWG value should be marked on the power cord as the basic value, for example: E229233 (UL) SJTW 2X0.824mm2 (18AWG) 105°C 300V VW-1 JUNJIAN C (UL) SJTW 2X0.824mm2 (18AWG) 105°C 300V FT2.
The diameter of copper wires in American-standard wires is usually measured in AWG. The value in front of AWG (such as 24AWG, 26AWG) indicates the number of holes that the wire must pass through before the wire is formed. The larger the value, the more holes the wire passes through and the smaller the diameter of the wire. Thick wires have better physical strength and lower resistance, but the thicker the wires, the more copper is needed to make the cable, which can cause the cable to be heavier, more difficult to install, and more expensive. The challenge of cable design is to use the smallest possible diameter wire (to reduce cost and installation complexity), while at the same time ensuring that the maximum capacity of the wire is achieved under the necessary voltage and frequency.
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