Maison key system

A Maison key system is a keying system that permits a lock to be opened with a number of unique, individual keys. Maison key systems are often found in apartment building common areas, such as main entrance or a laundry room where individual residents can use their own apartment key to access these areas. Unlike a master key system, where each individual lock has one individual operating key and one common master key, Maison lock is designed to be operated by every key within the system.

Because of the inherent lack of security in the Maison key system, some jurisdictions prohibit the use of Maison key systems in apartment and condominium complexes. In such locations, access is usually facilitated by either a high-security, key-controlled system or the use of electronic access control systems such as a card reader.

Locksmithing & Lock picking

Topics	Electric strike Key control Key relevance Lock bumping Lock picking Lockout-tagout Maison key system Rekeying Single-point locking Three-point locking

Components	Bitting Bolt stump Break Interchangeable core Key blank Key code Keyhole Lockset Shear line Split pin

Key types	Berlin key Bump key Change key Master key Skeleton key Smart key Tubular key Transponder key

Mechanical Locks	Bored cylindrical lock Bramah lock Cylinder lock Disc tumbler lock Key retainer Lever tumbler lock (Chubb detector lock) Magnetic-coded lock Magnetic keyed lock Mortise lock Padlock Combination lock Rotary combination lock Time-delay combination locks Pin tumbler lock (Snib) Protector lock Relocking device Time lock Tubular pin tumbler lock Warded lock Wafer tumbler lock

Electronic Locks	Electromagnetic lock Electronic lock Electric strike Magnetic-coded lock Keycard lock

Specific lock types	Bicycle lock Chamber lock Child safety lock Dead bolt Keycard lock Kensington Security Slot Luggage lock Power door locks The Club TSA lock

Tools	Lockpick Slim Jim Snap gun Tubular lock pick

Related	Bolt cutter Door chain Exit control lock Famous locksmiths Interlock (engineering) Keychain Key (engineering) Lock manufacturers Lock puzzle Lock snapping Locksport Two-man rule

Category:Locksmithing Keys Locks Book

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