Industry News

Three questions about lightning protection of buildings

Q: Which buildings are more vulnerable to lightning strikes? Answer: The development of modern architecture is changing with each passing day. With the application of new construction materials and the continuous emergence of high-rise and super-high-rise buildings, people's awareness of lightning p…

How to install solar water heater without lightning protection device

Question: After reading the article on how to prevent lightning strikes on the roof of solar water heaters published in the Service Hotline of your newspaper, I would like to know more about how to install solar water heaters without lightning protection devices on the roof of my house. Answer: It i…

Why is my home repeatedly struck by lightning?

Mr. Lian, Fengan Village, Qianhuang Town, Quangang District: Thunderstorms occurred recently, and a huge spherical thunder quickly passed through my house, causing all electrical appliances in the house to be damaged. A similar incident happened in my house before. Is my terrain special? Is there an…

Several issues that should be noticed in 485 wiring project

Chapter one clarifies several concepts Concept 1: The communication distance of the 485 bus can reach 1200 meters. In fact, it is only possible to make the transmission distance reach 1200 meters under the premise of ideal environment in theory of 485 bus structure. Generally, it means that the qual…

Internet cafe wiring power and network wiring experience

The most basic services provided by Internet cafes, such as web browsing, online games, online movies, and distance education, are all related to the Internet. The quality of the Internet directly determines the viability of the Internet Cafe. Therefore, how to plan a high-quality network environmen…

Franklin

As a pioneer of electricity, Franklin for the first time in the history of electricity explicitly proposed a consistent theory of electricity, namely the famous first-class theory (or single-fluid theory). Think of two distinct fluids. In atmospheric electricity, he was the first to discover that li…