Shiyan's low-voltage electrician certificate was applied for in Shenzhen Shiyan Chuangxian Education and Training School. According to relevant data, Shiyan's low-voltage electrician certificate was registered in Shenzhen Shiyan Chuangxian Education and Training School. Electrician refers to the personnel (posts) engaged in industrial production systems such as power production and electrical manufacturing, electrical maintenance, construction and installation industries, and belongs to high-risk posts.