The Hellermanntyton Residential Solar Label Value Pack Contains An Assortment Of The Labels Required For Nec 2017 Code Compliance. All Labels Are Made From Uv Stable Vinyl and Dye-Based Inks and Protected By A Weather-Resistant Laminate. A Permanent Adhesive Adds to Their Lasting Performance. Each Label Is Numbered to An Associated Key, On Each Page, That Shows Where The Label Should Be Applied On The Installation, Ensuring Proper Label Placement Prior to Inspection, or Use The App (Tagprint Xpress Solar)