IEC 60449:1973/AMD1:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Amendment 1 - Voltage bands for electrical installations of buildings
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
06-05-2016
English - French
01-01-1979
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.
Important note : Users cannot be edited or removed once added to your Multi user PDF.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.