safe

This hashtag in English

Last updated 18w.

A safe (also called a strongbox or coffer) is a secure lockable box used for securing valuable objects against theft and/or damage from fire. A safe is usually a hollow cuboid or cylinder, with one face being removable or hinged to form a door. The body and door may be cast from metal (such as steel) or formed out of plastic through blow molding. Bank teller safes typically are secured to the counter, have a slit opening for dropping valuables into the safe without opening it, and a time-delay combination lock to foil robbers/and or thieves. One significant distinction between types of safes is whether the safe is secured to a wall or structure or if it can be moved around. A less secure version (only suitable for petty cash) is usually called a cash-box.

The first safe invented dates back to the 13th century BC and was found in the tomb of Pharaoh Ramesses II. It was made of wood and consisted of a locking system resembling the modern pin tumbler lock.

In the 16th century, blacksmiths in southern Germany, Austria, and France first forged cash boxes in sheet iron. These sheet-iron money chests served as the models for mass-produced cash boxes in the 19th century.

In 1835, English inventors Charles and Jeremiah Chubb in Wolverhampton, England, received a patent for a burglar-resisting safe and began a production of safes. The Chubb brothers had produced locks since 1818. Chubb Locks was an independent company until 2000 when it was sold to Assa Abloy.

On November 2, 1886, inventor Henry Brown patented a "receptacle for storing and preserving papers". The container was fire retardant and accident resistant as it was made from forged metal. The box was able to be safely secured with a lock and key and also able to maintain organization by offering different slots to organize important papers.

Specifications for safes include some or all of the following parameters:

It is often possible to open a safe without access to the key or knowledge of the combination; this activity is known as safe-cracking and is a popular theme in heist films.

A diversion safe, or hidden safe, is a safe that is made from an otherwise ordinary object such as a book, a candle, a can, or even a wall outlet plug. Valuables are placed in these hidden safes, which are themselves placed inconspicuously (for example, a book would be placed on a book shelf).

Fire resistant record protection equipment consists of self-contained devices that incorporate insulated bodies, doors, drawers or lids, or non-rated multi-drawer devices housing individually rated containers that contain one or more inner compartments for storage of records. These devices are intended to provide protection to one or more types of records as evidenced by the assigned Class rating or ratings; Class 350 for paper, Class 150 for microfilm, microfiche other and photographic film and Class 125 for magnetic media and hard drives.

These types of enclosures can be rated for periods of ½-, 1-, 2- and 4-hour durations.

In addition, these enclosures may be rated for their impact resistance, should the safe fall a number of feet to a lower level or have debris fall upon it during a fire.

Burglary resistant safes are rated as to their resistance to the type of tools to be used in their attack and also the duration of the attack.

The attack durations are for periods of 15 minutes, 30 minutes and 60 minutes.

Safes can also contain hardware that automatically dispenses cash or validates bills as part of an automated cash handling system.

For larger volumes of heat-sensitive materials, a modular room-sized vault is much more economical than purchasing and storing many fire rated safes. Typically these room-sized vaults are utilized by corporations, government agencies and off-site storage service firms. Fireproof vaults are rated up to Class 125-4 Hour for large data storage applications. These vaults utilize ceramic fiber, a high temperature industrial insulating material, as the core of their modular panel system. All components of the vault, not just the walls and roof panels, must be Class 125 rated to achieve that overall rating for the vault. This includes the door assembly (a double door is needed since there is no single Class 125 vault door available), cable penetrations, coolant line penetrations (for split HVAC systems), and air duct penetrations.

There are also Class 150 applications (such as microfilm) and Class 350 vaults for protecting valuable paper documents. Like the data-rated (Class 125) structures, these vault systems employ ceramic fiber insulation and components rated to meet or exceed the required level of protection.

In recent years room-sized Class 125 vaults have been installed to protect entire data centers. As data storage technologies migrate from tape-based storage methods to hard drives, this trend is likely to continue.

A fire-resistant safe is a type of safe that is designed to protect its contents from high temperatures or actual fire. Fire resistant safes are usually rated by the amount of time they can withstand the extreme temperatures a fire produces, while not exceeding a set internal temperature, e.g., less than 350 °F (177 °C). Models are typically available between half-hour and four-hour durations.

In the UK the BS EN-1047 standard is set aside for data and document safes to determine their ability to withstand prolonged intense heat and impact damage.

These conditions are maintained for the duration of the test. This is usually at least 30 minutes but can extend to many hours depending on grade. Both kinds of safe are also tested for impact by dropping from a set height onto a solid surface and then tested for fire survivability once again.

In the United States, both the writing of standards for fire-resistance and the actual testing of safes is performed by Underwriters Laboratories.

An in-floor safe installed in a concrete floor is very resistant to fire. However, not all floor safes are watertight and will often fill with water from fire hoses, therefore everything stored inside should be placed in either double zip lock bags, dry bags, or sealed plastic containers.

Reinforced, fireproof cabinets are also used for dangerous chemicals or flammable goods.

Wall safes are designed to provide hidden protection for documents and miscellaneous valuables. Adjustable depth allows the maximization of usable space when installed in different wall thicknesses. Some wall safes feature pry-resistant recessed doors with concealed hinges for anti-theft protection. A painting can be hung over a wall safe to obscure it from public view.

Jewelry safes are burglary and fire safes made specifically to house jewelry and valuables. These high end safes are typically manufactured with interior jewelry chests of fine woods and fabric liners with a range of organizational configurations.

Safe cracking is opening a safe without a combination or key. There are many methods of safe cracking ranging from brute force methods to guessing the combination. The easiest method that can be used on many safes is "safe bouncing", which involves hitting the safe on top; this may cause the locking pin to budge, opening the safe.

Underwriters Laboratories (UL) testing certifications for safes are known to be some of the most rigorous and most respected in the world. They are only matched by B.T.U/VDMA certifications (Germany).

J.I.S. (Japan) and CSTB (France) preheat the oven with the safe inside until the temperature reaches the desired setting (as opposed to a sustained temperature of the rating), then the safe is cooled artificially (as opposed to naturally). Also, J.I.S. and CSTB only drop their safes from 13 to 15 feet (4.0 to 4.6 m) (as opposed to 30). Rarely are safes dropped 15 feet (4.6 m) or more and they are usually artificially cooled by the fire department. UL also runs an indirect explosion test on all safes. Additionally UL-768 certifies the combination lock against tampering. UL-140 certifies a relocking mechanism that will permanently lock the safe bolts, in case an electronic lock fails or a UL-768 rated lock is compromised.

The container sustains an internal atmosphere of 125 °F (52 °C) and 80% humidity. This class was introduced with the emergence of floppy disks. The containers are tested with only non-paper media, but are clearly sufficient to hold paper. New, more durable computer media, such as data on compact disks, crystallize at 350 °F (177 °C), which make this type of safe more than sufficient to store these media.

However, Underwriters Laboratories (UL) does not state data on Blu-ray disks, DVDs or CDs. Only floppy disks, which are no longer a common storage medium, is stated.

An added benefit of this container is that it has water-resistant seal on its door. However UL does not check for water resistance and all fire-insulated safes are not tightly sealed. When exposed to heat, the insulation expands and seals all joints tightly which is supposed to keep water out. If a safe is submerged in water without any prior exposure to heat, water will seep in. These class ratings are used in conjunction with hour ratings such as: ½, 1, 2, 3, or 4.

The container sustains an internal atmosphere less than 150 °F (66 °C) and 85% humidity. This class was introduced with the emergence of computer data tapes or magnetic reel-to-reel tapes. UL tests this with paper and non-paper articles. This container is also sufficient in storing some optical media, such as compact disks. Cases can be purchased that will meet Class 125, if they are placed inside a Class 150 safe. Some may be waterproof due to a gasket on the door and the label will state this. These class ratings are used in conjunction with hour ratings such as: ½, 1, 2, 3, or 4.

The container sustains an internal atmosphere of less than 350 °F (177 °C) and 85% humidity. This is the most basic of U.L. tests and specifically tests for the storage of paper. The autoignition temperature of paper is about 450 °F (232 °C), so this container is sufficient for storage of paper. Cases can be purchased that will meet Class 125, if they are placed inside a Class 350 container. These class ratings are used in conjunction with hour ratings such as: ½, 1, 2, 3, or 4.

While colloquially called "gun safes" in North America, residential security containers do not meet the same UL standards against burglary and tool resistance as described below. They have their own UL standard (UL 1037), which is much less rigorous against attacks (having to withstand attacks for only five minutes), and are generally only to be used in non-commercial settings. However their burglary and fire resistance may surpass the minimum UL 1037 standard, usually with increased price which is translated into added metal, better design and firewall in the safe.

This is a combination locked safe that offers limited protection against combinations of common mechanical and electrical tools. The safe will resist abuse for 15 minutes from tools such as hand tools, picking tools, mechanical or electric tools, grinding points, carbide drills and devices that apply pressure. Anything with a TL-rating conforms to UL 687.

This is a combination locked safe that offers moderate protection against combinations of mechanical and electrical tools. The safe will resist abuse for 30 minutes from tools such as hand tools, picking tools, mechanical or electrical tools, grinding points, carbide drills, devices that apply pressure, cutting wheels and power saws.

This is a combination locked safe that offers moderate protection against combinations of mechanical and electrical tools. The safe will resist abuse for 40 minutes from tools such as hand tools, picking tools, mechanical or electrical tools, grinding points, carbide drills, devices that apply pressure, cutting wheels and power saws.

This is a combination locked safe that offers high protection against combinations of mechanical, electrical, and cutting tools. The safe will resist abuse for 30 minutes from tools such as hand tools, picking tools, mechanical or electrical tools, grinding points, carbide drills, devices that apply pressure, cutting wheels, power saws, impact tools and, in addition, can withstand an oxy-fuel welding and cutting torch (tested gas limited to 1,000 cubic feet (28 m3) combined total oxygen and fuel gas.)

This class will withstand the same assaults as Class TRTL-30 for 60 minutes.

This class meets all the requirements for Class TRTL-60 and, in addition, can withstand high explosives such as nitroglycerin or equivalent to not more than 4 ounces (110 g) of nitroglycerin in one charge (entire test must not use more explosive than that equivalent to 8 ounces (230 g) of nitroglycerin).

Depending on the usage, the European Committee for Standardization has published different European standards for safes. Testing and certification according to these standards should be done by an accredited certification body, e.g. European Certification Body.

For fire-resistant safes the EN 1047-1 (fire resistance standard similar to the fire resistance safe standard of UL) and EN 15659 (for light fire storage units) were published.

Safe- iron with bronze decorations, including appliques heads of deities arranged in a row, found in Pompeii, now in the National Archaeological Museum of Naples

18th century sealable cashbox (Finnish customs service museum in Susisaari [fi], Suomenlinna

A hotel safe. It is secured to the wall, which makes it useful for protecting valuables against theft.

Media related to Safes at Wikimedia Commons

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@Bakersman_Joe Be safe out here my boah
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|be safe bby.
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RT @nieldudes: To my favorite person: Be safe everyday. Take care yourself & see you soon when everything is fine.
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RT @SturdySamm: ...can help sees this. I’m not safe here anymore. Please, for myself, my humble family and the many families whose lives ha…
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suka bangettt sama kontennya kalaweit family🥺bener² manjain mata bgtt buat aku yg ga pernah liat hutan🥺thxyu papah…
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RT @greengables19: Schools should only open when it is safe. This is absolutely essential to efforts to suppress covid 29, protect the NHS…
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Pues si no hubiera habido pandemia no conocía a mi safe place asi que 💃🏻, todo bien contigo covid (no)
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@theeWaga Hope you’re good bro stay safe🙏
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Stay safe guys, covid REALLY isn’t a joke and it’s the worst illness my body has had to fight so far in my 22 years…
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RT @AllahGreatQuran: Allah made you, you’re beautiful. Allah takes care of you, you’re safe. Allah is with you, you’re not alone.
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RT @jaberawad1998: @Soma_Safe_ ركوب راس مننا بس💔😂😂😂
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@c17yb8b3 Ok stay safe, I will talk to myself
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RT @sh1sui_: Happy third satin chubanes keep safe always i love you the most and i always will kahit tampururot ka
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RT @TimGree27203390: @acero_sandoval 🌟💗😉 happy Wednesday 💐🌷🌹 have a lovely day 🥰🌺🌺🌸🌼🌻🌷 stay safe and healthy My FRIEND 😘🙏☀️😎😘👍
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RT @queenssquaresc: WIN a £25 Boots Voucher in this week's Fantastic Friday's Prize Draw! All you need to do is RETWEET this Tweet and Rep…
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@aoooderpy It was really fun having you here, goodbye and stay safe!
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Let me be your pain When the dark is closing in When they try to take your down I will keep you safe ❤️
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@mrbabymochi Semangat kak ra..stay safe💜💜
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@ChrisSamson_ Hi! 🔥 gorgeous😊 keep safe always😘
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Girişe
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safe Pinterest Ideas
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