HellermannTyton Pre-Printed Voltage Markers are made of durable vinyl and are available with the most commonly used warnings and alerts. The self-adhesive markers allow users to clearly identify electrical lines, voltages and hazards. The durable adhesive backing is resistant to UV exposure as well as chemicals and solvents. Use voltage markers on conduit, pipe, circuit boxes or electrical panels. Voltage Marker, 1.125" x 4.25", Three Phase, Vinyl, Orange, 4/card, 50 cards/pkg.