Mighty Line Keep Clear Do Not Block Electrical Panel Floor Signs. Great for marking electrical panels so that skids and other equipment is not placed directly in front of electrical panels. Mighty Line floor signage is great for safety areas and do not block areas. This floor sign standard size is 24x36 and meets the OSHA requirements of 24x36 of keeping the area clear.  Mighty Line safety floor signs are a great floor marking tool. Mighty Line floor signs are perfect solutions for 5s facilities, lean operations, and for warehouse safety. Heavy Duty Floor Sign and Easy to Apply for your facility.  Part Number - KCEP2436 Size 24' x 36'  Made in the USA