Resources
Articles
Plain-English guides to the security, power and audio visual equipment we supply and install.
Can I use a plain wall instead of a projector screen?
A white wall works in a dark room, but a screen gives a brighter, sharper picture. What a screen does, how to prepare a wall, and when a screen is worth buying.
ReadWhat is access control?
Access control decides who can go through which door, and when. The parts of an electronic system, how it works, and what to ask before you plan one.
ReadWhat is an intruder alarm system?
How an intruder alarm works: the control panel, keypad, detectors and siren, how an alarm is monitored, and what to plan before you install one.
ReadWhat is a UPS (uninterruptible power supply)?
A UPS keeps equipment running through a blackout and cleans up poor power. The three types, how to size one, and how long the battery really lasts.
Read