David Bolton Fail-Secure Electric Strikes on Fire-Rated Doors: Why the Monitoring Spec Gets Dropped Before the Opening Is Complete What This Article Covers — and Who Needs It Fail-secure electric strikes on fire-rated openings are one of the most compliance-sensitive hardware decisions in commercial construction. Contractors, sec... NFPA 80 access control electric strikes fail-secure hardware fire-rated doors May 9, 2026
David Bolton When the Wire Count on an Electric Transfer Hinge Is Wrong: How a 4-Wire Spec Becomes a Field Problem Why Wire Count on an Electrified Hinge Matters More Than Most Specs Think This article is for contractors, hardware specifiers, and facility managers who are commissioning an electrified door opening ... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026
David Bolton Electric Strike Monitoring: What the Auxiliary Switch Actually Does on an Access-Controlled Opening What This Article Covers This guide explains how auxiliary switch monitoring works on electric strikes used in commercial access control openings. If you are a security integrator, commercial contract... access control commercial security door hardware monitoring electric strikes electrified hardware Apr 23, 2026
David Bolton Keypad and Maglock Kits at Outdoor Entries: The System Details That Decide Whether the Door Stays Secure in Winter What This Guide Covers — and Who It Helps Magnetic lock kits bundled with a weather-rated keypad and power supply are a common choice for exterior vestibule entries, school side doors, industrial serv... access control commercial entry egress code magnetic locks outdoor hardware Apr 23, 2026
David Bolton Wiring a Maglock Kit for Outdoor and Weather-Exposed Openings: The System Details That Get Missed Before Rough-In What This Article Covers and Who It Helps A magnetic lock kit bundled with a keypad, power supply, and push button looks like a complete solution right out of the box. For many interior access-control... access control code compliance egress compliance magnetic locks outdoor hardware Apr 23, 2026
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
David Bolton Electric Strike Monitoring: What the Auxiliary Switch Actually Does on an Access-Controlled Opening What This Article Covers and Who It Helps Electric strikes do more than release a latch when a credential is presented. On monitored openings, the strike itself reports back to the access control syst... access control commercial door hardware electric strikes life safety monitoring hardware Apr 23, 2026
David Bolton The Magnetic Lock Kit Trap: Why a 1200 lb Maglock Without the Right Egress Plan Fails Inspection Why the Lock Is Only Half the System A 1,200 lb electromagnetic lock kit bundled with a keypad, power supply, and push button looks like a complete access control solution out of the box. For many app... IBC NFPA 101 access control commercial door hardware egress compliance magnetic locks Apr 23, 2026
David Bolton 8-Wire vs. 4-Wire Electric Hinges: Matching Circuit Count to Your Electrified Opening Before You Order Why Circuit Count Is the Decision That Happens Too Late Contractors and facility managers often select an electric hinge by size and finish, then discover at rough-in that the circuit count is wrong. ... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026
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
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
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