IEC-449-1 Amendment No. 1

IEC-449-1 - 1ST EDITION AMENDMENT 1 - SUPERSEDED
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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 are restricted for safety reasons. Covers all voltages from zero up to and including 120 V ripple-free d.c.

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91.140.50 (Electricity supply systems Including electric energy meters in buildings, emergency electrical supplies, etc.)

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Document Number

IEC 60449 Amd.1 Ed. 1.0 b:1979

Revision Level

1ST EDITION AMENDMENT 1

Status

Superseded

Publication Date

May 1, 1979

Committee Number

64