Standard: IEC - 61089 AMD 1

AMENDMENT 1 ROUND WIRE CONCENTRIC LAY OVERHEAD ELECTRICAL STRANDED CONDUCTORS

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Scope:

This International Standard specifies the electrical and mechanical characteristics of round wire concentric lay overhead electrical stranded conductors made of combinations of any of the following metal wires:

a) hard-drawn aluminium as per IEC 889 designated A1*;

b) aluminium alloy type B as per IEC 104 designated A2*;

c) aluminium alloy type A as per IEC 104 designated A3* (and when applicable to the following cores, as per IEC 888);

d) regular strength steel, designated S1A or S1B, where A and B are zinc coating classes, corresponding respectively to classes 1 and 2;

e) high strength steel, designated S2A or S2B;

f) extra high strength steel, designated S3A.

The conductor designations included in this standard are:

A1, A2, A3,

A1/S1A, A1/S1B, A1/S2A, A1/S2B, A1/S3A, A2/S1A,

A2/S1B, A2/S3A, A3/S1A,

A3/S1B, A3/S3A, A1/A2, A1/A3.

* The resistivity of these metals is as follows (in increasing order):

A1: 28,264 nΩm (corresponding to 61% IACS),

A2: 32,530 nΩm (corresponding to 53% IACS),

A3: 32,840 nΩm (corresponding to 52,5% IACS).

Organization: International Electrotechnical Commission
Document Number: 61089 amd 1
Publish Date: 1997-05-01
Page Count: 18
Change Type: AMD
Available Languages: EN,FR
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
IEC 61089 Change Type: Update Date: 1991-01-01 Revision: 1.0 Status: ACTV

This Standard References

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