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Posted to alt.engineering.electrical,uk.d-i-y,sci.engr.lighting
Daniel J. Stern
 
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Default UK question: ES light bulb better than bayonet?

On Fri, 25 Nov 2005, Pop wrote:

What? Of COURSE in NA! The only power in a properly plugged in lamp
socket is the small metal in the bottom center of the socket. The
threaded metal is neutral; no harmful voltage there. That's why lamps
have polarized plugs if the mains connects to the bulb.


You are conveniently disregarding the many improperly-plugged-in lamps --
roughly 50 percent of those without polarised plugs, either because they
antedate the introduction of polarised plugs or because their original
polarised plugs have been replaced with plain ones. You are likewise
conveniently disregarding the many sockets that aren't designed or built
as you and I know they ought to be.