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30 Articles

electrified hardware ×

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

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

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

Anti-Passback Rules: What Access Control Specifiers and Facility Teams Get Wrong at the Door

What This Article Covers -- and Who It Helps Anti-passback is one of the most misunderstood rules in access control system design. Facility managers, security integrators, and commercial contractors o...

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Aug 16, 2026

Adding Card Access to an Existing Mortise Lock: What Actually Has to Change at the Door

What This Article Covers and Who It Helps Facility managers, security integrators, and commercial hardware specifiers frequently face the same challenge: a building already has solid-performing mortis...

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Aug 8, 2026

Door Position Switches: Where They Go, How They Wire, and What Goes Wrong on the First Install

What Is a Door Position Switch and Why Does Every Access-Controlled Opening Need One? A door position switch (DPS) is a two-piece magnetic sensor -- a reed switch module and a matching magnet -- that ...

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Aug 7, 2026

Electric Strike Monitor Switches: Latch-Bolt Sensor vs. Cam Switch and Why the Difference Matters for Your Access Control System

What This Article Covers and Who It Helps When an electric strike is part of an access control circuit, the question of how the system knows the door is secured comes up on nearly every project. Two p...

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Jul 30, 2026

Concealed Power Transfer on Doors With Closers: Routing Wires When the Frame Head Is Already Occupied

The Problem Nobody Plans for Until the Closer Template Goes Down This article is for commercial hardware contractors, access control integrators, school facilities teams, and specifiers who need to tr...

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Jul 29, 2026

Frame Head Reinforcing on Hollow Metal Frames: What Gets Missed Before the Hardware Goes In

What This Article Covers and Who It Helps Frame head reinforcing is one of those line items on a hardware schedule that looks minor until a closer arm pulls out of an underbuilt header, or an inspecto...

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Jul 28, 2026

Electric Latch Retraction on Exit Devices: How Access Control Unlocks the Door Without Touching the Bar

What This Article Covers and Who It Helps If you are specifying or installing an access-controlled opening that also requires panic hardware, electric latch retraction (ELR) is the mechanism that ties...

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Jul 28, 2026

Electrified Exit Device Trim: How the Outside Lever Controls Ingress Without Blocking Egress

What This Article Covers and Who It Helps Electrified exit device trim is the outside lever, handle, or pull mounted on the secure side of a panic bar that is controlled by an access system rather tha...

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Jul 24, 2026

What Happens to Your Access Control System When the Power Goes Out

Why Backup Power Is a Core Part of Any Access Control Design This article explains how battery backup works in commercial access control systems, what happens to electrified door hardware when buildin...

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Jul 23, 2026

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