Celebrate the Chinese New Year, Hebei force into new and old customers to launch a series of special promotions !!!! ground wire [Hebei force into] [Order hotline 0311-89852836] Contact: Manager Zhao, Mobile: 15303312043 Advisory QQ: 1131325585 Shijiazhuang maximum The grounding wire manufacturers] [5kv10kv15kv20kv25kv30kv35kv price, quality assurance. Dependence factory direct value !!!! welcome advice !!! choose what kind of grounding wire grounding line is better to choose the right, subject to the following conditions and requirements. (1) cross-sectional area. The role of ground wire is to keep working equipment, such as ground potential. It's cross-sectional area must meet the requirements of the short-circuit current, and the minimum of not less than 25mm2 (by copper material requirements). For ground wire by up to tens of kA short-circuit current, and the short-circuit current generated by the voltage drop is less than a predetermined safe value, it is necessary to make its resistance value is very small, and therefore have to choose a sufficiently large cross-sectional area good electrical properties of metal material lines. (2) meet the requirements of the heat capacity of the short-circuit current. To determine the heat capacity is calculated. The event of a short circuit, short-circuit ground wire should be as soon as possible by acting on the circuit breaker tripped. When the circuit breaker is not tripped or reject operation, the heat generated by the short circuit current in the ground line fuse it should Buzhi Yu. Otherwise, the work area will lose the protection of expansion of the accident. (3) ground wire must have sufficient flexibility and mechanical resistance, tensile strength, abrasion resistance, easy to rust. On electricity production and power engineering generally use multiple soft red bare copper ground wire to produce. Can produce different specifications according to customer demand grounding wire. Coding: ztzmbnshzmb Welcome to Hebei force into electrical equipment Co., Ltd. official website