Hey Corey,
We almost always use the labels and placards from PV-Labels
and have had about the same result as it appears you did in your test.
Of course they last much longer when out of the sun. There are a
variety of "label-maker" tapes (Brady brand), we mostly use vinyl the
few times we need to use them in an exposed location. Do you happen to
remember which type of material your labels were?
Bill
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
On 6/28/2020 8:11 AM, Jesse Dahl wrote:
I bring up the sharpie because as an electrician that’s what we did, sharpie on
boxes. Now that I work on solar and try to explain to folks that are older than
me about durability and solar and.... they tend to just blow me off and sharpie
away. It would be great to show them with this photo “here is your sharpie”
Jesse
Sent from my iPhone
On Jun 27, 2020, at 9:46 PM, Jay <jay.pe...@gmail.com> wrote:
Hi Corey
Well done.
Question
What is the orientation of this test?
Jay
Peltz Power.
On Jun 27, 2020, at 10:59 AM, Corey Shalanski <coreso...@gmail.com> 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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