Chatom Signs have an extensive range of electrical, fire, health and safety signs to assist employers meet their Health and Safety obligations, which you can shop on the internet. Signs use black icons in a the required high-visibility yellow warning triangle.
All warning signs are available in two formats (stickers and mounted) and three sizes. Stickers are manufactured from adhesive-backed vinyl with a peelable backing paper - just remove the backing and smooth down onto the surface or wall. Mounted panels are vinyl mounted onto 1mm Plastic with double sided foam tape to rear; peel away the backing paper to the foam tape and press down the sign against the surface or wall.
Here are some photos of typical Chatom Signs printing:
Warning Sign Sizes: