Sharpie fades pretty fast in the sun (1 year?). Paint pen would do
better, but can be messy.
Ray Walters
Remote Solar
303 505-8760
On 6/27/20 5:06 PM, Jesse Dahl wrote:
Did you use a sharpie on the box? I wonder how a sharpie or PICA marker would
hold up for 10 years.
It’s an awesome test though. I love it.
Jesse
Sent from my iPhone
On Jun 27, 2020, at 12:59 PM, Corey Shalanski <[email protected]> wrote:
About ten years ago we set up a test wall of sorts at our company headquarters in New
Orleans. The purpose was to monitor the durability/degradation of various materials -
including warning labels. We tried to attach a variety of label types: plastic trophy
plaques, vinyl stickers, labelmaker tape. We also used various adhesives: sticker OEM
adhesive, double-sided tape, "Gorilla Glue", PVC cement. It should be noted
that the wall faced southeast and was uncovered, so that it received daily full sun and
was exposed to all other environmental conditions (rain, etc).
The results today do not look good (attached photo). None of these products would appear
to meet the "sufficient durability" requirements of NEC 110.21(B).
I am curious if anyone is aware of any similar (but more formalized) product
testing? and can share results?
Has anyone found a warning label product that performs particularly well over
time?
--
Corey Shalanski
<Durability Test Wall.jpg>
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