Questions relating to the requirements for supplementary equipotential bonding are frequently asked[...] that the terminology is correct. Earthing and bonding [...]
are not extraneous conductive parts, then there would be no requirement to main bond. Such an example might[...]. This one, concerning main equipotential [...]
[...] BS 7671: 2008[...] protective bonding conductors require to be connected, including exposed metallic structural parts. If steel reinforcement in concrete is exposed it would therefore require to be bonded. To see many
[...] where the designer elects to accept the let[...] and the Main Earthing Terminal (MET) is above 22kohms, the conductive part need not be considered to be an extraneous - conductive - part which introduces an earth potential as defined [...]
. This one, about bonding of immersion cylinders, is answered by SELECT: Question: Please could you confirm whether or not I have to run a 10mm earth to the Main Earth Terminal (MET) from an immersion [...]
[...] where the designer elects to accept the let[...] and the Main Earthing Terminal (MET) is above 22kohms, the conductive part need not be considered to be an extraneous - conductive - part which introduces an earth potential as defined [...]
