On 2009-03-28, T. McQuinn wrote:

I realize that local codes can vary, but I'm wondering if this is
ever allowed. I have an application where I need to power 2 alarm
transformers. They are 'bricks' that convert to 12 volts and have a
screw that permanently attaches them to an outlet (a long screw that
replace the short one used to hold the outlet cover on). 12 volts
comes out of them. There would be no 120v cords above the drop
ceiling, only low voltage. So in this scenario would I be so in
violation of the NEC if I put an outlet above the drop ceiling?

Nothing in the NEC prohibits the installation of a receptacle above a
drop ceiling. Section 400.8(5) of the NEC prohibits the use of
flexible cords ". . . located above suspended or dropped ceilings".
However, my understanding is that low voltage flexible cords are
exempted from this (although I have not read the appropriate Chapter 7
sections). So I believe it is OK to permanently install a wall wart
in a receptacle above a drop ceiling.

Cheers, Wayne