On Mon, 10 Dec 2007 17:10:29 -0000, Thomas Paterson
<t_p_paterson@[EMAIL PROTECTED]
> wrote:
> Hi All,
>
> We're doing an adaptor for a fixture to take an alternative lamp. I
> need the standards for PAR diameters and the thicknesses of the rims
> of the PARs, etcetera - the data needed to engineer a retaining ring.
>
> Can anyone help out with where to find such standards?
>
> Regards,
>
> Thomas Paterson
It used to be in the GE catalogue.
