“Hydrant marker plates are rectangular yellow signs, with a large black H and a pair of numbers, usually attached to a wall, lamp post or a short concrete post.

Red, yellow, violet— fire hydrants come in many ... Following is a transcript of the video. What do fire hydrant colors mean? Certain colors are meant for different types of fires.

For years, the small, yellow signs with a bold black ... firefighters clarified that the "H" signifies hydrant, indicating the spot of an underground fire hydrant. These markers are essential ...

At times, an arrow may be included at the bottom to indicate the hydrant's direction. Cambridgeshire Fire and Rescue Service ...