Not enough information - supplementary bonding is normally only required in a few special locations/installations or where ADS can't operate within conventional times. I can't see anything in the picture what would suggest it would be needed, but I can't tell what the context is.
Not enough information - supplementary bonding is normally only required in a few special locations/installations or where ADS can't operate within conventional times. I can't see anything in the picture what would suggest it would be needed, but I can't tell what the context is.