Could also be a QC label, added after final visual or electrical testing. Often has a small stamp on it or the initials of the inspector. Colour is often determined by which shift or line did it. I used them as well, to provide traceability to a machine in case of a callback for poor production.

That's what my guess was at first too, these lights actually seem to be pretty good quality!

"Not for use in dwellings"

Well I think I'll be disobeying that label

"Suitable for use in ambients not exceeding N/A *C"

Yeah

Well at least it doesn't have: "refer to authorized repair centre for service, no user serviceable parts inside"

That would be lieing .

Meh I usually ignore it anyways, I think I had a cheap fluorescent fixture with that on the label before though.

Yeah, I'm think of sticking these on my back yard fence, they will light it up nicely

Thought your mom didn't like the idea of putting your lights outside? These sure will light up your yard. I'd use coated lamps if were you......

She doesn't, if I can do it they will only run when needed, not all night, I don't really see the need to use coated lamps outside.

I was refering to if you have people outside it may cause irritable glare. My eyes are very sensitive to light and the glare from my 250w MH walpack bothers me, so that's why I brought this up. If you look at the lume at the angle where the glass of the lume bends, it is glarey.

Well you could always reduce the lumens by sticking a 400w merc lamp inside instead of 400w MH

Yeah, that works too. But any clear lamp is glary. Clear incandescents, MH, MV, HPS, LED, etc.

Clear lamps don't bother me that much if they're somewhat shielded or if they're lower wattage incandescent.

But 400w of anything is kinda bright for a yard

I was thinking of putting up both of them

70w PMH is sufficient for my yard. It's mounted about 15 feet off the ground and lights the lot well.

100w MV is enough for me but I rarely switch mine on, too expensive to run nightly and don't want to annoy the neighbours that much.

I almost never run mine either. It's that utilitech one from Lowe's. I put in a coated lamp to stop glare and yellowing. It's non-cutoff.