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 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... access control electric latch retraction electrified hardware exit devices fire-rated hardware 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 Biometric Readers in High-Security Door Applications: What to Know Before You Specify Biometric readers are showing up on more hardware schedules across government facilities, data centers, healthcare wings, and school secure-access zones. But specifying one correctly means understandi... access control biometric readers door hardware specification electrified locks high-security hardware Jul 8, 2026 Our Blog
David Bolton Door Held Open Alarms: How to Stop Propped Doors Before They Become a Security or Safety Problem What This Article Covers Door held open alarms detect when a door stays open past a set time limit and trigger an audible alert before a propped door becomes a security breach, fire hazard, or code vi... access control door held open alarm door prop alarm fire door compliance life safety hardware Jul 6, 2026 Our Blog
David Bolton Managing Access Across Every Door in a Multi-Family Building: What the Hardware Schedule Has to Get Right Why Multi-Family Door Hardware Is a Different Problem Than a Single Commercial Opening This article is for property managers, multifamily contractors, and architects specifying or maintaining door har... access control apartment door hardware commercial locksets hardware scheduling multi-family hardware Jun 27, 2026 Our Blog
David Bolton Why the Monitoring Option on a Fire-Rated Electric Strike Gets Dropped From the Spec Before the Access Control Contractor Ever Sees the Schedule Why Monitoring Gets Written Out Before the Right People Read In This article is for commercial electrical contractors, access control integrators, and facility managers who oversee fire-rated door ope... access control electric strikes fire-rated hardware latchbolt monitoring life safety compliance Jun 23, 2026 Our Blog
David Bolton Wiring a Single-Door Mag Lock Kit Without a Panel: What Gets Missed Before the Keypad Goes In What This Article Covers A self-contained magnetic lock kit — one that bundles the lock body, a request-to-exit station, a weatherproof keypad, and a plug-in power supply — looks straightforward on th... access control egress compliance magnetic locks single door kit wiring Jun 20, 2026 Our Blog
David Bolton Latchbolt Monitoring on Fire-Rated Electric Strikes: Why the Auxiliary Switch Gets Ignored Until the Access Control Report Flags an Unlatched Door What This Article Covers and Who It Helps This guide explains the monitoring outputs built into fire-rated electric strikes—specifically the latchbolt monitor and locking cam monitor found on heavy-du... access control door monitoring electric strikes fire-rated hardware life safety Jun 14, 2026 Our Blog
David Bolton Why the Fire Alarm Interface on a Magnetic Lock Kit Gets Skipped Until the Inspection Fails The Step That Gets Deferred Until the Building Official Walks In This article is for electrical contractors, low-voltage integrators, and facility managers who are installing or commissioning a magnet... IBC life safety access control egress compliance fire alarm interface magnetic locks Jun 14, 2026 Our Blog