USB cables typically feature some sort of printed marking on their exteriors, but what do these symbols actually mean?
USB 2.0 CABLE
- E332199: Manufacturer’s UL certification number, E+6 Numbers
- 兄: Canada’s CUL certification mark
- AWM: Appliance Wiring Material
- 2725: UL2725,Refers to the types of the cable (Commonly used: UL2725, UL20276)
- 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.
- 80℃:Rated working temperature
- 30V:Rated voltage
- VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
- AWG I: I-internal wiring;II-outside wiring;
- A: A-Mechanical performance not evaluated; B-Normal handling
- WINWIN LM: The name of the manufacturer, located at the end of the print
USB 3.0 CABLE
- E350945: Manufacturer’s UL certification number, E+6 Numbers
- 兄: Canada’s CUL certification mark
- AWM: Appliance Wiring Material,Refers to the types of the cable
- 20276: UL20276, Refers to the types of the cable (Commonly used: UL2725, UL20276)
- 80℃:Rated working temperature
- VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
- ZIQANG: The name of the manufacturer, located at the end of the print
USB 3.1 CABLE
- E468041: Manufacturer’s UL certification number, E+6 Numbers
- 兄: Canada’s CUL certification mark
- AWM: Appliance Wiring Material
- 2725: UL2725,Refers to the types of the cable (Commonly used: UL2725, UL20276)
- 80℃:Rated working temperature
- 30V:Rated voltage
- VW-1: cUL combustion test grade in Canada; FT1:US UL combustion test grade in American
- SUPER HIGH SPEED: Generally appears in the USB3.0 and USB3.1 cables