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Homepage>BS Standards>21 MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE>21.060 Fasteners>21.060.70 Clamps and staples>BS 951:2009 Electrical earthing. Clamps for earthing and bonding. Specification
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immediate downloadReleased: 2009-08-31
BS 951:2009 Electrical earthing. Clamps for earthing and bonding. Specification

BS 951:2009

Electrical earthing. Clamps for earthing and bonding. Specification

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Standard number:BS 951:2009
Pages:18
Released:2009-08-31
ISBN:978 0 580 55260 1
Status:Standard
DESCRIPTION

BS 951:2009


This standard BS 951:2009 Electrical earthing. Clamps for earthing and bonding. Specification is classified in these ICS categories:
  • 21.060.70 Clamps and staples
  • 29.120.20 Connecting devices

This British Standard specifies performance and mechanical requirements for clamps used to provide mechanically and electrically sound means of earthing and/or bonding, which are primarily intended for use in electrical installations for the connection of:

  1. earthing conductors, having a cross-sectional area in the range 2.5 mm2 to 70mm2, to earth electrode rods or other means of earthing;

  2. bonding conductors to metal tubes of circular cross-section that have circumferences of not less than 18.8 mm (i.e. diameters of not less than 6 mm).

NOTE 1 These clamps are also suitable for electrically bonding other conductive parts, where at least one is a tube of circular cross-section. Such clamps are not intended for connection to the armour or sheath of a cable.

NOTE 2 Clamps specified in this standard are intended to be used singly.

NOTE 3 There is no correlation between the size of the conductor which the clamp conductor can accommodate and the size of tube to which it is intended to be fitted.