EPT vs. Electric Through-Wire Hinge, Revisited

The choice between an electric through-wire hinge and an electric power transfer (EPT) is one of convenience vs. durability.  Whereas the hinge requires almost no prep, the EPT does.  However, the EPT is designed to minimize stress on the wires and the electrified through-wire hinge is not.  Every time the door is opened, the wire … Continue reading “EPT vs. Electric Through-Wire Hinge, Revisited”

Electric Hinge vs. EPT (and oh yeah, Molex)

I was taking a class on Molex connectors a while ago and the teacher – a manufacturer’s representative from a major hardware manufacturer – expressed the opinion that for high traffic applications, a power transfer is preferable to an electric thru wire hinge.  I confess that until that moment I had not actually thought about … Continue reading “Electric Hinge vs. EPT (and oh yeah, Molex)”

Aluminum Door Latch Electric Strike Retrofit

Often we find ourselves involved in someone’s second thoughts about the use of a particular aluminum storefront type opening, wherein someone remembers that, hey, this opening needs access control.  Or, perhaps, the idea of access control comes to the opening later in its life.  In any case, the door company provided their usual solution for … Continue reading “Aluminum Door Latch Electric Strike Retrofit”

Compact Electric Strikes

A common problem with installing electric strikes is cavity depth – that is, how deeply you need to cut into the frame (or wall) so that the electric strike will fit. For most of the twentieth century electric strikes were, and most still are, designed without consideration for this factor. Instead they are designed for … Continue reading “Compact Electric Strikes”

Quest for the 24-Inch Exit Device with Electric Latch Retraction

I had a lot of fun recently trying to meet a customer’s requirement for a 4-foot by 7-foot pair of doors in a hospital that needed to be fire rated and automated.   I found that Corbin and Yale (sister companies whose exit devices are almost identical) offer fire rated surface vertical rod exit devices with … Continue reading “Quest for the 24-Inch Exit Device with Electric Latch Retraction”

Hot Stuff: Continuous Duty Electric Locking Devices

I regularly hear complaints about electric strikes, cylindrical locks or mortise locks that are hot to the touch.   When I ask, I am always answered that, yes, the device is being used in a continuous duty application. Continuous duty means that the electric lock or strike is powered continuously, usually for several hours a … Continue reading “Hot Stuff: Continuous Duty Electric Locking Devices”

Glass Door Electric Locking Solutions

Installing an electric locking system on an existing, currently unsecured all-glass or Herculite door can be a challenge for the security professional, but there are solutions.  Here are a few: Electromagnetic Locks Securitron Glass Door Solution The Securitron solution to the glass door locking problem is… glue.   When I sell this solution, I usually … Continue reading “Glass Door Electric Locking Solutions”

Exit Devices with Electric Latch Retraction

Overview Almost all exit device manufacturers offer the option of electric latch retraction on their touch-bar style exit devices.  Different manufactures may call it by other names such as ‘latch pull-back’ or ‘remote dogging’.  Some people refer a device with electric latch retraction as an ‘electrified exit device’, but that could also refer to electric … Continue reading “Exit Devices with Electric Latch Retraction”