Cable trunking and ducting systems for electrical installations. Part 2-2. Particular requirements. Cable trunking systems and cable ducting systems intended for underfloor and flush floor installations
State system for ensuring the uniformity of measurements. State verification schedule for means of measuring laser output average power and laser pulse energy within the wavelength range from 0,3 to 12,0 mkm
Electric cables. Calculation of the current rating. Part 1-2. Current rating equations (100 % load factor) and calculation of losses. Sheath eddy current loss factors for two circuits in flat formation