LED lighting is in a period of rapid improvement


LED lighting is in the golden 3 years of rapid penetration. The continuous cost reduction led to the opening of the home lighting market. Due to the launch of different lighting applications, the penetration rate continued to increase rapidly in 2013-15. It is expected that global LED ligh

Insulation resistance test technology

Insulation resistance test technology Basic knowledge of insulation resistance testing.

Insulation resistance test is divided into two types of cable: common type wire and cable and commonly used outdoor type "W" wire and cable 1, ordinary wire and cable insulation high resis