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The 2011 National Electric Code (NEC) and the 2012 International Fire Code (IFC) have been updated to reflect the growing needs of the installer at both the commercial and residential levels. This includes more detail on labeling, which is an important part of any installation. The NEC indicates that the markings must be sufficient durability to withstand the environment involved, while the IFC states the adhesive vinyl signs are acceptable if properly adhered.

Many local municipalities still require the use of engraved plates, but the market is changing to better protect first responders and emergency personnel. Adhesive vinyl labels that are red with white text, reflective, and meet UL969 standards are being described in the new codes and are designed to be more visible, more durable, and work on more applications.

Today, many local inspectors and Authority Having Jurisdiction (AHJ) believe that only engraved phenolic plates are acceptable, but neither the NEC or the IFC specify the use of engraved markers. Many installers are now able to use (code acceptable) adhesive label options that are in accordance with the dimensional, functional, and verbiage requirements needed to ensure a safe and informative installation. As always, the installer must always check local codes before deciding the best and most cost effective way to label the installation.

The primary concern with engraved or etched signage, phenolic plates, is the lack of flexibility, high cost, and lead times which can delay inspections. Typical phenolics, from a trophy shop, are not made with UV stable materials. Printing labels on site, as needed, or purchasing pre-printed inventory saves time and reduces labor costs without sacrificing UV stability and outdoor durability.

HellermannTyton’s solar installation labels are UV durable and feature an ultra bond adhesive for both powder coat and baked enamel surfaces. Pre-printed with the most common legends to meet the requirements of the AHJ, the labels are manufactured using ultraviolet resistant ink, permanent acrylic adhesive, and a base material to withstand environmental elements.

HellermannTyton offers a line of the most commonly used regulatory solar identification labels on large utility and scaled PV installations.

• Significant Cost & Time Savings
• Tested to UL969 Standard
• Made with UV Stable Inks & Materials for Durability and Weather Resistance
• Adhere to Baked Enamel & Powder Coat Painted Surfaces
• Supplied with an Aggressive Adhesive to Ensure Long Life
• Also Offering Continuous Vinyl Labels for Custom Printing Designs on Demand
• Meet NEC & IFC Standards for Printed Text, Character Height, Color and Outdoor UV Stability