What does the words printed on the USB cable mean?

USB cables typically feature some sort of printed marking on their exteriors, but what do these symbols actually mean?

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Figure 1 USB 2.0 Cable

USB 2.0 CABLE

  1. E332199: Manufacturer’s UL certification number, E+6 Numbers
  2. 兄: Canada’s CUL certification mark
  3. AWM: Appliance Wiring Material
  4. 2725: UL2725,Refers to the types of the cable (Commonly used: UL2725, UL20276)
  5. 28AWG/1P+24AWG/2C: AWG-American Wire Gauge,28AWG=0.0804mm2,24AWG=0.2047mm2; P-Pair,Means that the set of wires is independently shielded, Generally used for data transmission; C-Core, The number of cores,It means that this group of wires is not independently shielded and is generally used for power supply.
  6. 80℃:Rated working temperature
  7. 30V:Rated voltage
  8. VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
  9. AWG I: I-internal wiring;II-outside wiring;
  10. A: A-Mechanical performance not evaluated; B-Normal handling
  11. WINWIN LM: The name of the manufacturer, located at the end of the print
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Figure 2 USB 3.0 Cable

USB 3.0 CABLE

  1. E350945: Manufacturer’s UL certification number, E+6 Numbers
  2. 兄: Canada’s CUL certification mark
  3. AWM: Appliance Wiring Material,Refers to the types of the cable
  4. 20276: UL20276, Refers to the types of the cable (Commonly used: UL2725, UL20276)
  5. 80℃:Rated working temperature
  6. VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
  7. ZIQANG: The name of the manufacturer, located at the end of the print
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Figure 3 USB 3.1 Cable

USB 3.1 CABLE

  1. E468041: Manufacturer’s UL certification number, E+6 Numbers
  2. 兄: Canada’s CUL certification mark
  3. AWM: Appliance Wiring Material
  4. 2725: UL2725,Refers to the types of the cable (Commonly used: UL2725, UL20276)
  5. 80℃:Rated working temperature
  6. 30V:Rated voltage
  7. VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
  8. SUPER HIGH SPEED: Generally appears in the USB3.0 and USB3.1 cables