1. High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV, Edition 2.0;IEC 62271-200,2011
2. Electrical installations in ships – Part 508: switchgear and control gear assemblies for rated voltages above 1kV and up to and including 15kV;IEC 60092-508,2002
3. Low-voltage switchgear and controlgear assemblies – Part 1: Type-tested and partially type-tested assemblies;IEC 60439-1,2004
4. IEEE Standard for Metal-Clad Switchgear, July;IEEE C37.20.2,2000
5. High-resistance grounding of low-voltage systems: a standard for the petroleum and chemical industry;Nelson;IEEE Trans. Ind. Appl.,1999