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109 Articles

panic exit device ×

How a Maglock Talks to Your Fire Alarm: Wiring the Release Circuit the Right Way

What This Guide Covers and Who It Helps This article explains how electromagnetic locks (maglocks) must be wired to connect with a building fire alarm system. It is written for commercial electrical c...

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Aug 22, 2026 Our Blog

Mantrap Installations: How to Specify the Right Hardware for a Two-Door Security Vestibule

What This Guide Covers and Who It Is For A mantrap, also called a security vestibule or airlock entry, is a controlled access passage that uses two doors in sequence to prevent tailgating and unauthor...

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Aug 20, 2026 Our Blog

When the Motor Control Assembly Is the Failure Point: Diagnosing Electrified Exit Device Problems Before You Pull the Whole Unit

The Problem Nobody Talks About: Electrified Exit Devices That Stop Working Electrically but Operate Fine Mechanically This article is for maintenance technicians, commercial door contractors, and faci...

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Aug 19, 2026 Our Blog

Delayed Egress Alarm Modules: What Specifiers and Facility Teams Get Wrong Before the Door Goes Live

What This Article Covers -- And Who It Helps Delayed egress alarm modules are one of the most misunderstood options in the exit device world. Specifiers order the wrong configuration. Facilities teams...

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Aug 17, 2026 Our Blog

From Signal to Secured: How Emergency Lockdown Systems Actually Talk to Door Hardware

What This Article Covers and Who It Helps When a building triggers a lockdown -- whether at a K-12 school, a hospital campus, or a corporate facility -- the door hardware has to respond correctly, imm...

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Aug 16, 2026 Our Blog

Exit Only on Stair Tower Doors: Getting the Hardware Package Right the First Time

What This Article Covers and Who It Helps Stair tower doors are among the most frequently misspecified openings in commercial construction. They sit at the intersection of egress requirements, re-entr...

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Aug 16, 2026 Our Blog

Aluminum Storefront Door Hardware: What Actually Goes on That Opening and Why Each Piece Matters

What This Guide Covers and Who It Is For Aluminum storefront doors are the most common commercial entrance type in retail, office, and mixed-use buildings -- and they account for a significant share o...

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Aug 15, 2026 Our Blog

Through-Bolt vs. Sex Bolt for Exit Devices: Which Fastening Method Belongs on Your Door

Two Ways to Anchor an Exit Device -- and Why the Choice Is Not Interchangeable This article explains the practical difference between through-bolt and sex bolt (also called barrel bolt or Chicago scre...

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Aug 3, 2026 Our Blog

Propping vs. Holding Back: When a Mortise Lock Hold-Back Function Is the Right Answer for Your Door Schedule

What This Article Covers This guide is for commercial hardware specifiers, facility managers, and installing contractors who encounter doors that need to stay latched open during business hours -- but...

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Aug 3, 2026 Our Blog

Mortise Cylinders vs Rim Cylinders: Choosing the Right Cylinder for the Lock Body You Have

The Short Answer: It Depends on What the Cylinder Plugs Into This article helps contractors, facility managers, and hardware specifiers understand the practical differences between mortise cylinders a...

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Aug 2, 2026 Our Blog

ICC A117.1 Accessible Door Hardware: What the Standard Actually Requires at Every Opening

What This Article Covers and Who It Helps ICC A117.1 is the technical standard that defines how doors and hardware must perform on accessible routes in commercial buildings. If you are a facility mana...

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Aug 1, 2026 Our Blog

The Concealed Offset Panic Threshold: What Specifiers Get Wrong Before the Floor Goes Down

What This Article Covers and Who It Helps This guide explains how panic thresholds with a concealed offset work, why they are misspecified more often than almost any other threshold type, and what spe...

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Aug 1, 2026 Our Blog

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