
Originally Posted by
gobbleteller
Rudi,
With all due respect to your electrician, although all metallic parts in an installation (for example the old switches) have to be bonded to earth, because your Lear switches are covered by plastic (ie are insulated from being able to become live), they do not have to be earthed and that is why they do not have the earth connection. Even if the box is metal, as long as there is no chance of touching any of the box or fastening screws because they are behind a plastic cover, bonding to earth is not an issue.
You might want to get a second opinion.
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