Welcome to House of Heritage. Description: Decorative and desirable Danger Central Electricity Board enamel sign, dating from circa early 1970s and made from enamel on steel. An interesting sign that doesn’t come up on the market that often, a real statement piece for home or commercial setting. Dimensions :The signs height is 31 cm and the width is 61 cm. Condition: In good condition considering age, some marks, staining and scratches to original finish, small losses to the enamel.