Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
IEC 60228 标准解读：电缆导体——从1.5到2000mm²的R系列标准化截面
为什么电缆…
IEC 60228: Cable Conductors — The R-Series Behind Every Standard Cross-Section From 1.5 to 2,000 mm²
Why Cable Cross-Sections Follow 1.5, 2.…
IEC 60227-4: PVC-Insulated Cables — The Standard Behind Every Wire in Your Building
450/750 V PVC Cables: The Highest-Volum…
IEC 60227-4 标准解读：PVC绝缘电缆——你家里的每一根电线都在执行的标准
450/750V PVC 电缆：&#…
IEC 60216-3: Thermal Endurance Statistics — Temperature Index Is Not Measured, It Is Extrapolated
Three Temperatures, Dozens of Specimens…
IEC 60215: Radio Transmitter Safety — Triple-Layer Protection for High-Power RF Environments
Three Simultaneous Hazards on Every Tra…
IEC 60216-3 标准解读：绝缘材料耐热性统计——温度指数不是测出来的，是外推出来的
三个温度、…
IEC 60214-2: On-Load Tap-Changers — The Only Transformer Component That Switches Under Full Load Thousands of Times
The OLTC: The Hardest-Working Component…
IEC 60215 标准解读：无线电发射设备安全——高功率射频环境的三重防护
发射塔上的…
IEC 60214-2 标准解读：有载分接开关——变压器唯一带电频繁动作的精密机械
有载分接开…
IEC 60212: Standard Atmospheres for Insulation Testing — Has Your Sample “Rested” Long Enough?
The First Step in Insulation Testing: L…
IEC 60212 标准解读：绝缘试验前的标准大气条件——你的试样”休息”够了吗？
绝缘材料测…
IEC 60205: Magnetic Core Effective Parameters — Why Calculated Inductance Never Matches Measurement
Ae, Le, Ve in Core Datasheets Are Not M…
IEC 60205 标准解读：磁芯有效参数计算——为什么量出来的电感总比算出来的小？
磁芯参数表…
IEC 60204-31: Sewing Machine Electrical Safety — Millimetres Between Fingers and High-Voltage Hazards
When the Operator Fingers Are Millimetr…
IEC 60204-31 标准解读：缝纫机械电气设备安全——针尖下的电气保护
缝纫机的电…
IEC 60197: Flame-Retardant TV HV Wire — CRT-Era Fire Safety That Saved Countless Homes
Flame-Retardant HV Wire for TV Receiver…
