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Safe Classifications on LangLocks.com


Safes are measured in two categories, forced entry resistance and fire resistance.

Forced Entry Resistance 

Tamper Resistant : A container that has little resistance to light hand tools and no significant resistance to power tools. 

B Rate : A light container with a 1/2" steel door and a 1/4" steel body.

C Rate : A light container with a 1" steel door and a 1/2" steel body.

TL-15 U.L. labeled  : A container that has been tested to be tool resistant for a net working time of fifteen minutes. Tools are selected from a specific list and only the door is attacked. The body of the container must be the equivalent of 1" of steel or greater. The container must weigh at least 750 lbs. or have provision for anchoring. 

TL-15 equivalent : A container that has been estimated to be tool resistant for a net working time of fifteen minutes but does not carry a U.L. label. The body of the container must be the equivalent of 1" of steel or greater. The container must weigh at least 750 lbs. or have provision for anchoring.

TL-30 U.L. labeled  : A container that has been tested to be tool resistant for a net working time of thirty minutes. Tools are selected from a specific list and only the door is attacked. The body of the container must be the equivalent of 1" of steel or greater. The container must weigh at least 750 lbs. or have provision for anchoring. 

TL-30 equivalent : A container that has been estimated to be tool resistant for a net working time of thirty minutes but does not carry a U.L. label. The body of the container must be the equivalent of 1" of steel or greater. The container must weigh at least 750 lbs. or have provision for anchoring.

TL-30x6 U.L. labeled  : A container that has been tested to be tool resistant for a net working time of thirty minutes on all six sides. Tools are selected from a specific list. The container must weigh at least 750 lbs. or have provision for anchoring. 

TL-30x6 equivalent : A container that has been estimated to be tool resistant for a net working time of thirty minutes on all six sides but does not carry a U.L. label. Tools are selected from a specific list. The container must weigh at least 750 lbs. or have provision for anchoring.

TL-60x6 U.L. labeled  : A container that has been tested to be tool resistant for a net working time of sixty minutes on all six sides. Tools are selected from a specific list. The container must weigh at least 1000 lbs. or have provision for anchoring. 

TL-60x6 equivalent : A container that has been estimated to be tool resistant for a net working time of sixty minutes on all six sides but does not carry a U.L. label. Tools are selected from a specific list. The container must weigh at least 1000 lbs. or have provision for anchoring.

x6 - The addition of  x6 (i.e. TL-60x6) means that the requirements apply to all six sides of the container and not just to the door. It can only apply to a rating of TL-15 and higher.

TR - The addition of TR to a rating (i.e.. TLTR-15) means that it is also torch resistant for the specified amount of time. 

TX - The addition of TX means that the container will resist nitroglycerine and other high explosives for a specific amount of time.  

Fire Resistance

Zero fire resistance : The container does not have any fire resistance.

1 hour : The container will maintain a maximum interior temperature of  350 degrees in a 1700 degree fire for 1 hour. 

2 hours : The container will maintain a maximum interior temperature of  350 degrees in an 1850 degree fire for 2 hours. 

4 hours : The container will maintain a maximum interior temperature of  350 degrees in a 2000 degree fire for 4 hours.

125 & 150 class : These containers will maintain a maximum interior temperature of  125 or 150 for a specified amount of time to protect computer media.