Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors— 83 стр.
Corrigendum 2 - Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances— 0 стр.
Coaxial cables. Sectional specification for cables used in cabled distribution networks. Indoor drop cables for systems operating at 5 MHz - 1000 MHz— 14 стр.