International Electrotechnical Vocabulary (IEV) - Part 845: Lighting
Comprises some 950 terms and definitions to promote international standardization in the use of quantities, units, symbols and terminology in the field of lighting. Is also CIE Publication 17.4: International Lighting Vocabulary.
It has the status of a horizontal standard in accordance with IEC Guide 108.
Specifies two parameters, the temporal pattern and the required sound pressure level at all places within the intended reception area. Applies to the audible signal and not to the individual signalling system compenents. Does not apply to warning signals, to situations covered by national regulations for public disaster control, alarm systems on board ships or to signals from all outdoor moving…
Hard-drawn aluminium wire for overhead line conductors
Applies to hand-drawn aluminium wires for the manufacture of stranded conductors for overhead power transmission purposes. Specifies the mechanical and electrical properties of wires in the diameter rank 1.25 mm to 5.00 mm. This publication supersedes IEC 60111 (1983).
Capacitors and resistors for electronic equipment. Preferred dimensions of spindle ends, bushes and ...
Contains preferred dimensions of spindle ends, bushes and, for the mounting of single-hole, bush-mounted, spindle-operated variable capacitors, variable resistors and potentiometers. If other dimensions not listed in this publication have to be used, it is recommended to select them from IEC 60390 (1972) and 60620 (1984).
Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunki...
Applies to busbar trunking systems intended to supply luminaires
through tap-off units but does not apply to supply track systems in
accordance with IEC Publication 570.