Ads
related to: fireproof safe lock box how to open door handle with key
Search results
Results From The WOW.Com Content Network
Many combination locks have three wheels, but the lock may be equipped with additional wheels, each with a drive pin and fly, in a similar manner. The number of wheels in the mechanism determines the number of specific dial positions that must be entered to open the lock, so a three-sequence combination is required for a three-wheel lock.
Type of lock (e.g., combination, key, time lock, electronic locking) Location (e.g., wall safe, floor safe) Smart safes as part of an automated cash handling system; 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 Knox vault in an academic building A Knox KeySecure, attached inside the cab of a fire engine, holds a high-security key [broken anchor] to open KnoxBox key boxes in the area. A Knox Box is a small, wall-mounted safe that holds building keys for fire departments, emergency medical services, and sometimes police to retrieve in emergency ...
The combinations for some electronic locks can be retrieved by examining electromagnetic emissions coming from the lock. Because of this, many safe locks used to protect critical infrastructure are tested and certified to resist TEMPEST attacks. These include the Kaba Mas X-10 and S&G 2740B, which are FF-L-2740B compliant.
Historically, such locks were intended for use at night-time, hence the name. [5] The keyless egress that they offer is a valuable fire safety measure, but may be a security risk if breaking a glass panel (usually in the door) or a nearby small window allows an intruder to reach the knob inside and open the door from the outside.
To the right of the door's center are two linked boxes for the combination mechanisms and to the left is a four-movement time lock. This door has a four-point system for pressing the door into its opening (note the two stanchions left of the door opening) capable of exerting one third of the door's weight in closing force. Since this door ...