The sprinklers spray at an angle of approximately 45 degrees. So of your light fixture is 4 inches deep, then you should keep them at least 4 inches away from the sprinkler heads.

How close can an object be to a sprinkler head?

In a nutshell, NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems says that objects that can block a sprinkler’s spray must be at least 18 inches away from the deflector. (That’s the small metal part at the sprinkler’s forward edge.)

What is the minimum amount of clearance required around fire sprinkler heads?





As a general rule, NFPA 13, Installation of Sprinkler Systems, requires 18 inches of clearance, but makes the following modifications: For standard pendent and upright spray (SSP/SSU) sprinklers, the 18- inch dimension is not intended to limit the height of shelving or storage along a wall as illustrated below.

Can lights set off sprinklers?

Sprinklers located near heaters, skylights, and other areas of high heat can cause the fire sprinkler heads to discharge by accident.

How much space do you need around a sprinkler head?

Sprinkler Head Spacing

OCCUPANCY HAZARD SQUARE FOOT PER HEAD MAXIMUM SPACING BETWEEN SPRINKLERS
Light Hazard (Office, Educational, Religious, Institutional, Hospitals, Restaurants, Clubs, Theaters, etc.) 130-200 SF per head (based on obstructions and flow calcs) 15 ft

What distance is required between objects and sprinklers?

In short the “beam rule” states that there must be at least 1 foot (0.3048 m)of separation between the sprinkler and the obstruction if the deflector is any distance above the bottom of the obstruction.

How much space should you leave between a fire sprinkler head and storage?





6.4, which states, “a minimum clearance to the top of storage and ceiling sprinkler deflectors to be less than 18-inches (457 mum) between the top of storage and ceiling sprinkler deflectors shall be permitted where proven by successful large scale fire tests of the particular hazard.” The burden is on employers to …

How far does a sprinkler head have to be from a wall?

Four-inch minimum spacing from walls and maximums vary with room shape and size, which is why standard spray sprinklers have four-inch minimum spacing from walls and maximums. The minimum sprinkler distance from walls is four inches for all standard sprinkler heads. The distance from an end wall is 10.