Specifies performance and mechanical requirements for metal clamps used to provide earthing or bonding, using conductors of 2.5 mm2 to 70 mm2 cross-sectional area and attached to tubes of 6 mm diameter and above.
BS 951:1999 history
2009BS 951:2009 Electrical earthing - Clamps for earthing and bonding - Specification
1999BS 951:1999 Electrical earthing - Clamps for earthing and bonding - Specification