Water and Wastewater Terms Beginning T

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

tagout device

A prominent warning device, such as a tag and a means of attachment, that can be securely fastened to an energy-isolating device in accordance with an established procedure to indicate that the energy-isolating device and the equipment being controlled may not be operated until the tagout device is removed.