That kinda seals the deal on Sharpies. I found Pica ink markers to be better than sharpies anyway.
Sent from my iPhone > On Jun 29, 2020, at 7:48 PM, Martin Herzfeld <[email protected]> wrote: > > > > A. Attached are samples of field applied hazard marking (Photos) on the > topic of durability and handwritten. > > B. 2017 NEC 110.21(B)(2) Field-Applied Hazard Markings. Where caution, > warning, or danger signs or labels are required by this Code, the labels > shall meet the following requirements: > > - The label shall be permanently affixed to the equipment or wiring method > and shall not be handwritten > - Exception to (2): Portions of labels or markings that are variable, or > that could be subject to changes, shall be permitted to be handwritten and > shall be legible. > > In other words, are the portions of labels subject to changes? :) > > All the best, > > Martin Herzfeld, Interstate Renewable Energy Council (IREC) Certified Master > Trainer ™ for Photovoltaics (PV) Installation Professional #IREC 10037 > Contract Training Provider (CTP) > Adjunct Professor, Energy > > California Solar & Electrical Contractor License #00833782 C46, C10, D56, > D31, C-7 > Solar, Electrical, Trenching, Pole Installation & Maintenance, Instrumentation > > Contract Solar (PV) Technical Inspector - 3rd Party Inspections > Underwriters Laboratories (UL) Certified PV Installer #17, OSHA 30 > OSHA-Authorized Construction Trainer #32-0105338 > CompTIA Certified Technical Classroom Trainer (CTT+) #T3NSZCNBBKB4QTQG > > * Professional Member, International Association of Electrical Inspectors > #7035507 - Since 2006 > * Accredited and Registered North American Board of Certified Energy > Practitioners (NABCEP) Continuing Education (CE) Training Provider > >> On Sat, Jun 27, 2020, 4:18 PM Ray <[email protected]> wrote: >> 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> >> >> _______________________________________________ >> >> List sponsored by Redwood Alliance >> >> >> >> List Address: [email protected] >> >> >> >> Change listserver email address & settings: >> >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> >> >> List-Archive: >> >> http://www.mail-archive.com/[email protected]/maillist.html >> >> >> >> List rules & etiquette: >> >> www.re-wrenches.org/etiquette.htm >> >> >> >> Check out or update participant bios: >> >> www.members.re-wrenches.org >> >> >> > _______________________________________________ >> > List sponsored by Redwood Alliance >> > >> > List Address: [email protected] >> > >> > Change listserver email address & settings: >> > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> > >> > List-Archive: >> > http://www.mail-archive.com/[email protected]/maillist.html >> > >> > List rules & etiquette: >> > www.re-wrenches.org/etiquette.htm >> > >> > Check out or update participant bios: >> > www.members.re-wrenches.org >> > >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> > > <20200629_173840.jpg> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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