About Tyler J. Thomas

I am the Vice President of Security Engineering Consultants in Atlanta, GA, USA. I am a member of ALOA, the Clearstar Security Network, Locksmith Nation, and the Locksmith Security Association of Michigan. Email me here or follow me on Twitter.

Lishi 2-in-1 Commercial/Residential Tools Webinar

2020-04-30T08:07:55-04:00 April 30th, 2020|All, Webinars|

Join Wayne Winton this Friday at 1:00 PM CST for a very detailed training webinar on Original Lishi's 2-in-1 Commercial/Residential Tools! In this 3-hour webinar Wayne will show you how he utilizes these tools to service commercial and residential keyways including: Schlage pin tumbler locks (SC1/SC4) Kwikset pin tumbler locks [...]

Simplex L1000, Part 1: Series Overview

2020-04-20T07:54:47-04:00 April 20th, 2020|All, Combination Locks, Mechanical Combination|

This is the first in a 4-part series covering the Simplex L1000 series. This article will provide a series overview, the remaining articles will cover changing and resetting combinations, installation, and servicing, respectively.  Introduction For nearly 50 years the Simplex line has represented the most popular combination locks in the [...]

Electric Strike Solenoid Replacement

2020-04-10T13:59:43-04:00 April 13th, 2020|All, Electric Strikes|

This article originally appeared in the February, 2015 edition of Keynotes. Introduction I received a work order that an exterior door restricted to card swipe access was not releasing when an authorized card was used. The door had a Von Duprin 99 series rim exit device used in conjunction with [...]

DIY Sargent 700 Series ET Trim Conversion

2020-04-03T10:58:37-04:00 April 2nd, 2020|All, Exit Devices|

This article originally appeared in the April, 2015 edition of Keynotes. Introduction This article can be digested in 3 ways: a DIY method to change the function of the 700 Series ET trim used on a Sargent 8800 rim exit device, an example of the thought process associated with thinking [...]

How Sargent’s 6300 Large Format Interchangeable Core Works

2020-03-23T09:35:33-04:00 March 23rd, 2020|All, Cores and Cylinders|

https://www.youtube.com/watch?v=ygFleM64nDI Sargent 6300 Large Format Interchangeable Core History Sargent began producing their proprietary large format interchangeable core, the 6300, in the late 70s. It isn’t Sargent’s only core, they’ve actually manufactured 4 different core designs. It is, however, is the newest design they’ve manufactured so you’ll sometimes see/hear it referred [...]

Exit Alarms, Part 2: Standalone Units

2020-03-14T11:45:55-04:00 March 16th, 2020|All, Exit Alarms|

Standalone Exit Alarm Units As a quick recap from Part 1, compared to integrated units, standalone exit alarm units are usually the more cost-efficient option. They are surface-mounted and generally do not require any modifications to the door or frame beyond the mounting screws for the hardware. Additionally, the existing [...]

Exit Alarms, Part 1: The Basics

2020-03-06T16:31:35-05:00 March 9th, 2020|All, Exit Alarms|

Introduction As their name implies, exit alarms sends notification of an an egress, or exit, via an alarm. There are multiple reasons why building occupants would need to be made aware of an open door: Elopement - In healthcare, childcare (schools and nurseries), and senior care facilities, the monitoring of [...]