YJV cost price formula YJV copper core power cable series cost price formula is as follows: the weight of copper in copper calculated X: wire diameter ÷ 2 = 1.25X1.25X3.14 = square root of the number when the number of X wire copper + 10% X0.89X processing fees. Safety requirements for cable and cable laying the foundation of a building from fire-retardant rubber cables, should be able to ensure the cable is buried outside the building bulk water; cable into the building should be protected through management, fire-retardant rubber sheathed cable selection, the protective tube also It should go beyond bulk water outside the building. Keep a distance between the ground directly buried cables and general grounding devices 0.15 ~ 0.5m; direct buried cable buried deep underground, usually not less than 0.7m, and should be buried in the permafrost retardant rubber cables selection, Anhui Global (Online counseling), fire-retardant rubber cables provided by the Anhui Global instrument cable Limited. Anhui Global instrument cable Limited (www.ahqqtyb.com) is Chuzhou, temperature instrumentation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Anhui Global leadership with the staff warmly welcome all inquiries negotiations to create the Global Anhui better future.