NEMA 12 - Riveted nameplate OK?
NEMA 12 - Riveted nameplate OK?
(OP)
Is it acceptable to rivet nameplates to the side of an electrical enclosure when trying to maintain NEMA 12 or NEMA 4/4X ratings? Does anyone know of a good practical reference to best practices when striving to maintain these ratings?
Thanks.
Thanks.





RE: NEMA 12 - Riveted nameplate OK?
In reality though, I seriously doubt anyone will make a fuss over a rivet (or 4), especially if you put a dollop of silicone seal on it first.
JRaef.com
Eng-Tips: Help for your job, not for your homework Read FAQ731-376
RE: NEMA 12 - Riveted nameplate OK?
I wouldn't worry much about NEMA 12.
RE: NEMA 12 - Riveted nameplate OK?
I can't believe there isn't some adhesive that would require the tearing of the box or the label to effect removal and hence would cause no penetrations. 3M 5200 for starters.
Keith Cress
Flamin Systems, Inc.- http://www.flaminsystems.com
RE: NEMA 12 - Riveted nameplate OK?
There are UL approved label material and manufacturers that make peel and stick labels that you can laser print and they are very durable. About the only way to destroy them is to apply a lot of heat and burn/melt them.
RE: NEMA 12 - Riveted nameplate OK?
RE: NEMA 12 - Riveted nameplate OK?
Making enclosures too well sealed can lead to its own set of problems: water can enter in the form of vapour as the enclosure 'breathes' due to heating and cooling over the day and night, and though atmospheric pressure changes. Once in it can't get out. Better to use either a pressure tight enclosure - IP68 - or to install a breather on the lowest face of the enclosure. NEMA 4 equates roughly to our IP65 or IP66 depending on which comparison chart you believe: IPx6 is the worst for allowing gradual ingress through the breathing mechanism.
----------------------------------
Sometimes I only open my mouth to swap feet...