Description
This specification applies to the design, construction, testing and installation of electrical equipment used for the purpose of earth leakage protection of low and medium voltage portable and mobile face machines in coal and shale mines. It does not necessarily apply to equipment used in open-cut work.
Product Details
- Edition:
- 1st
- Published:
- 01/01/1958
- Number of Pages:
- 6
- File Size:
- 1 file , 1 MB
- Product Code(s):
- 10154833