41. Code for construction and acceptance of rotating electrical matchines electric equipment installation engineering 42. Electric equipment installation engineering code for construction and acceptance of electric lighting devices 43. Code for construction and acceptance of power convertor equipment electric equipment installation engineering 44. Electric equipment installation engineering code for construction and acceptane of power convertor equipment 45. Code for construction and acceptance of electric device of crane electrical equipment installation engineering 46. Construction and acceptance specification for installation engineering of light - metal smelting machinery equipment 47. Telecommunications . radiotelephone and car . service delivered by the radiotelephone installation engineers 48. Code for construction and acceptance of elevators electric equipment of electrical apparatus installation engineering 49. Standard of inspection and measurement of ray photographing for metal melting meld seam of building installation engineering 50. Code for construction and acception of 1kv and under feeder cable engineering electric equipment installation engineering
