David Bolton 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... access control door closers electrified hardware fire-rated openings power transfer Jul 29, 2026 Our Blog
David Bolton 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... door closer prep electrified hardware fire-rated openings frame head reinforcing hollow metal frames Jul 28, 2026 Our Blog
David Bolton 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... access control electrified hardware exit devices fire-rated door hardware panic hardware Jul 24, 2026 Our Blog
David Bolton 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... access control battery backup electrified hardware life safety power supply Jul 23, 2026 Our Blog
David Bolton Access Level Scheduling Explained: How Time-Based Door Permissions Change What Your Hardware Needs to Do What This Article Covers and Who It Helps Access level scheduling is the practice of assigning different door permissions to different credential holders based on the time of day, day of week, or cale... access control commercial door hardware door scheduling electrified hardware time-based access Jul 15, 2026 Our Blog
David Bolton How PoE Electric Hinges Deliver Data and Power to IP Door Devices Without a Separate Power Run What This Article Covers -- and Who It Helps This guide explains how Power over Ethernet (PoE) electric hinges work, where they fit into a door opening, and what specifiers, integrators, and facility ... IP access control PoE door hardware commercial door hardware electric hinges electrified hardware Jul 10, 2026 Our Blog
David Bolton Choosing the Right Circuit Count on an Electric Hinge Before the Access Control Scope Is Written Why Circuit Count Is a Decision That Happens Too Late This article is for contractors, facility managers, and architects managing electrified openings where power transfer runs through the hinge. Spec... access control commercial door hardware electric hinges electrified hardware power transfer May 21, 2026 Our Blog
David Bolton Specifying a QC12 Electric Hinge on a Heavy Door: Why Circuit Count Drives the Whole Hardware Set Decision Why Circuit Count Is the Starting Point, Not an Afterthought This article is for architects writing hardware sets, commercial subs coordinating with an access control installer, and facility engineers... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton Quick-Connect Electric Hinges: How the Concealed-Circuit System Actually Works What This Guide Covers and Who It Is For If you are specifying or installing electrified door hardware -- an electric latch retraction exit device, an electrified mortise lock, or an electromagnetic l... access control concealed circuit electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton 6-Circuit Electric Hinges: When Your Electrified Opening Outgrows a Standard Wire Count What This Guide Covers This article helps contractors, facility managers, and architects understand when a standard 2- or 4-circuit electric hinge is no longer enough for a given door opening, and whe... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton How Many Circuits Does Your Electric Hinge Actually Need? A Wiring Guide for Electrified Door Openings Why Circuit Count Is the Decision Most Specifiers Get Wrong This guide is for contractors, hardware specifiers, and facility managers who are wiring electrified door openings and need to match the rig... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
