IEC - International Electrotechnical Commission - IEC 60449:1973/AMD1:1979
Amendment 1 - Voltage bands for electrical installations of buildings
replaced
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 January 1979 |
| Status: | replaced |
| Page Count: | 3 |
| ICS Code (Electricity supply systems): | 91.140.50 |
| ICS Code (Electrical engineering in general): | 29.020 |
abstract:
Classification of d.c. installations according to their nominal voltage. As for a.c. a distinction has been made between two bands when the lower band relates mainly to installations whose... View More
Document History
IEC 60449:1973/AMD1:1979
January 1, 1979
Amendment 1 - Voltage bands for electrical installations of buildings
Classification of d.c. installations according to their nominal voltage. As for a.c. a distinction has been made between two bands when the lower band relates mainly to installations whose voltages...
January 1, 1973
Voltage bands for electrical installations of buildings
Applies to a.c. electrical installations of buildings supplied at a frequency not exceeding 60 Hz and at a nominal voltage up to and including 1 000 V. Defines two voltage bands: Band I covers the...