[BITList] Emergency generators

[HUGH]

Colin,

I gather these generators (that never generate) are commonly situated in basements below a potential flood level.  If not, how in the name of %$£& can a flood/storm stop them from running, as cited in the article? Are there totally separate circuits supplied by these generators, with appropriate safeguards, or does failure of the main supplies render them useless?  Are they tested regularly? Is their design/installation subject to mandatory regulation? Etc.

Hugh.
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