Panduit PCV-277/480CY voltage marker cards provide clear and permanent identification for electrical systems. Constructed from durable indoor vinyl material, these cards are ideal for identifying voltage levels in various industrial and commercial settings. Available in adhesive and snap-on versions, they offer flexibility in installation. The black legend on an orange background ensures high visibility and easy identification of the 277/480 Volt marking. These cards are a crucial component for maintaining safety and organization in electrical infrastructure.