4-square (3KW) or 6-square (7KW) cable can be used for charging pile installation of hybrid or household power supply. It is recommended to use 1 * 16 + 1 * 10mm cable when using 40kW power charging pile.
Construction scale of electric vehicle charging pile in China in 2017:
With the dual role of policy and market, domestic charging infrastructure has made rapid progress and formed a good industrial foundation. In the context of the rapid development of electric vehicles, especially the increase in the proportion of private car purchases, it has attracted some enterprises with internet genes, technology companies, start-ups and social capital to intervene, forming an industrial pattern with the coexistence of state-owned, private and mixed ownership, which has driven the development vitality of domestic charging infrastructure.
According to the statistics of China electric vehicle charging infrastructure Promotion Alliance (charging alliance), by the end of 2016, the number of public charging piles was 141000, a net increase of more than 2 times compared with 49000 at the end of 2015, and the number of public charging facilities in China's charging infrastructure ranked first in the world. As of September 2017, there were 190600 public charging piles under construction and operation in China, an increase of 44253 over the end of 2016.
As of September 2017, the top ten public charging piles owned by provincial administrative regions were 26990 in Beijing, 26340 in Guangdong, 23516 in Shanghai, 20417 in Jiangsu, 16210 in Shandong, 9495 in Anhui, 9258 in Hebei, 8626 in Tianjin, 7804 in Zhejiang and 5557 in Hubei.