Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
TN and IT systems (Chinese: 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性)
“dry” and “wet” conditions (Chinese: 金属和合金的腐蚀 循环暴露在盐雾、“干”和“湿”条件下的加速试验)
English versions: GB/T 14404-2024
GB/T 17263-2025_Chinese: Self-ballasted lamps for general lighting service - Performance specifications (Chinese: 普通照明用自镇流荧光灯 性能规范)
GB 20071-2025 Chinese PDF GB/T 18737.5-2024 TN and IT systems (Chinese:GB 20071 2025_Chinese: The protection of the occupants in the event of a lateral collision (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20071 2025
