The faces that define this polyhedron are pentagons. The 5 sided characteristic of the nut was chosen to offer a measure of tamper resistance. Hydrants can be dangerous, and only firefighters and other authorized persons should open a fire hydrant.
Why do fire hydrants have chains?
Cap and Chain protect hose valves, hydrant outlets, and more from dirt, dust, and debris! … Cap threads on the angle valve and the chain holds the cap close to the valve when uninstalled. These caps are recommended to protect Hose Angle Valves and other male outlets.
What does it mean when a fire hydrant is blue?
The colors indicate the rated water-flow capacity of that particular hydrant: Red indicates water-flow capacity of less than 500 gallons-per-minute (GPM). … Blue indicates water-flow capacity of 1,500 or greater GPM.
What is the purpose of a hydrant wrench?
A hydrant wrench is a tool used to remove fire hydrant caps and open the valve of the hydrant. They are usually adjustable so as to fit different sized hydrant nuts.
Why are fire hydrants GREY?
In some places, the tops of fire hydrants are painted different colours to let firefighters know how many gallons per minute, or GPM, a hydrant is able to deliver. The higher the GPM, the better the hydrant will be at fighting bigger fires.
Why are fire hydrants silver in Texas?
The colors denote how much water a particular hydrant can provide in gallons per minute (GPM). … Jackson Energy Authority hydrants follow the recommended NFPA Color Coding for flow and the adopted chrome silver for hydrant body color.
Why are they painting fire hydrants Gray?
JUST THE FACTS: The grey paint currently on Oshawa fire hydrants is just part of regular maintenance to the hydrants that provide water in emergency situations. City staff have confirmed that every few years, the Region of Durham sends crews around to each hydrant, cleaning them up and painting them with grey primer.
Is it illegal to open a fire hydrant in NYC?
Opening up a fire hydrant without a business permit or a city-approved spray cap is illegal. The penalty for illegally opening up a hydrant is up to 30 days in jail and/or a fine of up to $1,000, the city’s Department of Environmental Protection said.
Is it illegal to open a fire hydrant in Texas?
Please do NOT open fire hydrants. Under City of Houston code, it is illegal for anyone who is NOT a City or Houston Fire Department employee to tap into a fire hydrant for water.
What is a fire hydrant wrench called?
The super spanner and gas wrench is a durable, light weight wrench used to tighten and loosen larger size fire hose couplers. … The wrench can also be used to operate standard 1.5″ and 1.25″ pentagon fire hydrant nuts.
Who invented the hydrant wrench?
EZ Spanner Fire Fighting Equipment is the brainchild of 15 year veteran Los Angeles Fire Department Engineer, Dennis Garrison. The unique design concept of the EZ Spanner Ratcheting Fire Hydrant Wrench was created from a common in-the-field, safety necessity.