SANS 10142-2: The wiring of premises Part 2: Medium-voltage installations above 1 kV a.c. not exceeding 22 kV a.c. and up to and including 3 000 kW installed capacity

2009·1.9 MB·English

by  South African Bureau of Standards

Republic of South Africa
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SANS 10142-2 (2009) (English): The wiring of
premises Part 2: Medium-voltage installations
above 1 kV a.c. not exceeding 22 kV a.c. and up
to and including 3 000 kW installed capacity

PUBLIC REVIEW DRAFT SZNS SANS 10142-2:2009

Edition 2

SWAZILAND NATIONAL STANDARD

The wiring of premises

Part 2: Medium-voltage installations above
1 kV a.c. not exceeding 22 kV a.c. and up to
and including 3 000 kW installed capacity

Published by: Swaziland Standards Authority
Smithco Building, 2nd Floor, Conco Road
P. O. Box 1399, Matsapha, Kingdom of Swaziland
Telephone: [phone], Facsimile: [phone]
Website: www.swasa.co.sz

E-mail: [email protected]
©Swaziland Standards Authority

© SWASA 2011 – All rights reserved
PRD/SZNS SANS 10142-2:2009

COPYRIGHT NOTICE

This Swaziland Standards Authority (SWASA) document is a Swaziland National Public Review Draft Standard and
is copyright-protected by SWASA. Neither this SWASA draft nor any extract from it may be reproduced, stored in a
retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without
prior written permission being secured.

Requests for permission to reproduce should be addressed to SWASA

Swaziland Standards Authority
P.O. Box 1399
Tel. + 268 2518 4633
Fax: + 268 2518 4526
E-mail: [email protected]
Website: www.swasa.co.sz

Reproduction may be subject to royalty payments or a licensing agreement.
Violators may be prosecuted.

©SWASA 2011 – All rights reserved
PRD/SZNS SANS 10142-2:2009

Table of changes

Clause Changed Date Change
Note 2 2011 replace “Eskom or municipalities” with “Local Supply
Authority”.
Clause 3.8.5 2011 Replace “as defined in legislation” with
“in relation to plant or machinery, means the person
who uses plant or machinery for his own benefit or who
has the right of control over the use of plant or
machinery, but does not include a lessor of, or any
person employed in connection with, that or
machinery;”

Clause 3.8.6 2011 Replace “as defined in legislation” with “the person
who has the sole right of control over the use of plant or
machinery”.
Clause 4.1.1 2011 replace “South Africa” with “Swaziland”.

NATIONAL FOREWORD

This Swaziland National Public Review Draft Standard was prepared by Technical committee SWASA/TC 33 Solar
and Electrical in accordance with procedures of the Swaziland Standards Authority, in compliance with Annex 3 of
the WTO/TBT Agreement. This national public review draft standard is a modified implementation of SANS 10142-
2:2009 and is adopted with the permission of the South African Bureau of Standards (SABS).

©SWASA 2011 – All rights reserved
PRD/SZNS SANS 10142-2:2009

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The wiring of premises

Part 2:
Medium-voltage installations above 1 kV a.c. not exceeding 22 kV a.c. and up to and including 3 000 kW
installed capacity

1 Scope

1.1 This part of SANS 10142 covers requirements for the design, erection and modification of
specific, fixed, medium-voltage electrical installations in distribution systems between the point of
control and the point of consumption, with nominal voltages above 1 kV a.c. not exceeding 22 kV a.c.
and up to and including 3 000 kW installed capacity, so as to provide safe and proper
functioning for the use intended.

1.2 Specific medium-voltage electrical installations include

a) residential complexes,

b) commercial complexes,

c) industrial complexes, and

d) installations with regard to agriculture.

NOTE 1 Medium-voltage electrical installations include generators, transformers, switchgear,
auxiliary equipment and circuits.

NOTE 2 This part of SANS 10142 does not cover distribution systems operated by Local Supply
Authority.

2 Normative references

The following referenced documents are indispensable for the application of this document. For
dated references, only the edition cited applies. For undated references, the latest edition of the
referenced document applies. Information on currently valid national and international standards can
be obtained from the SABS Standards Division.

2.1 South African standards

SANS 97, Electric cables – Impregnated paper-insulated metal-sheathed cables for rated voltages
3,3/3,3 kV to 19/33 kV (excluding pressure assisted cables).

©SWASA 2011 – All rights reserved 5