The International Electrotechnical Commission (IEC) standard IEC61000-4-12, EN61000-4-12, ANSI-C62-41, and GB/T17626.12 were taken into consideration when designing the Ring Wave Test Generator. This device is used to simulate an electrical network, give power to reactive loads and regulate line switches. A ring wave generator also senses low voltage cable terminal equipment rings that are generated by power circuit disconnections, insulation failures, and lightning strikes. The LCD displays on the RWG61000-12 series products are available in Chinese and English. This article is a detailed explanation of what LISUN’s ring wave generator is, it’s working, and functionality in addition to a brief writeup on conducting different tests using it.