1International Electrotechnical Commission. IEC 60079 - 14 Electrical apparatus for explosive gas atmospheres- Part 14: Electrical installations in hazardous areas (other than mines)[S]. Geneva.
2International Electrotechnical Commission. IEC 60364 - 5 - 53 Electrical installations of buildings -- Part 5 - 53: Selection and erection of electrical equipment -- Isolation, switching and control[S]. Geneva, 2001.
3International Electrotechnical Commission. IEC 60364 - 4 - 44 Electrical installations of buildings -- Part 4 - 44: Protection for safety -- Protection against voltage disturbances and electromagnetic disturbance s [S ]. Geneva, 2007.
4International Electrotechnical Commission. IEC 60364 - 4 - 41 Low-voltage electrical installations- Part 4 - 41: Protection for safety- Protection against electric shock [S]. Geneva, 2005.