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91How to Change Your Locks
If all you need to do is change the key to your lock, and you are fairly good with tools, you may want to do it yourself. Or, you may want to remove the lock and bring it to a locksmith to be rekeyed. In...
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83Multi-Point Locking Systems
Most locking systems are single-point locking systems, which is to say they lock into a single plate on the frame of the door. Single-point locks include most cylindrical, tubular, and mortise locks. An...
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95Fail Safe and Fail Secure Electric Locking Devices
Definition Basically: Fail Safe = power off, it's unlocked Fail Secure = power off, it's locked Electric locking devices include: Electric strikes Electromagnetic locks Electromechanical locks ...
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74USPS Approved Mailboxes - FAQ
These questions and answers apply to multi-unit mailboxes in the United States, such as the one pictured at right. Q: I lost my mailbox key. Can I get a new mailbox key from the Post Office? A: No, you...
4 comments78Exit Devices with Electric Latch Retraction
Almost all exit device manufacturers offer the option of electric latch retraction on their touchbar-style exit devices. Different manufactures may call it by other names such as 'latch pull-back' or 'remote...
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87Hardware for Aluminum Storefront Doors
See also: Exit Device and Panic Hardware Basics Electrifying an Aluminum Storefront Opening Door Closer Basics Aluminum and glass storefront doors usually have the characteristic that they have much...
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75How to Survey a Job Site for Electric Locking
An access control system that is hard wired and/or centrally controlled is nothing more than a fancy electrical switch that is used to turn some kind of electric locking device on and off. When you present...
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75Basic Magnetic Lock System
Electromagnetic locks are widely used in commercial and industrial applications. The lock is usually mounted on the header above the door and the armature is usually mounted on the door (see drawing below)....
1 comment66Cipher Lock or Cypher Lock
There is an actual Cyper Lock still available from the company formerly known as Continental Instruments, division of Napco Security. The Cypher Lock is perhaps one of the first electrical keypad systems ever...
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82Electromagnetic Locks: Product Comparison
There are many companies that make electromagnetic locks, otherwise known as maglocks or magnets. In this article I will detail my experience with a few popular models. This article does not deal with...
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