Quickly identify electrical hazards of equipment and machinery with Labelmaster's Fiber Optic Electrical Markers. Printed on heavy gauge, 20-mil, rigid vinyl plastic, these can be used to mark the proper identification. The markers feature a bold legend printed in black that contrasts with the bright orange background for high visibility. No matter how harsh the environment, these industrial-strength products with their long-lasting adhesive can brave just about any element. You also can be confident in knowing that they will help you stay in compliance with OSHA standards.