Practical articles on AV CAD drafting, documentation standards and AV technology — written for integrators, consultants and design teams.
Structured cabling drawings carry the network that almost every other low-voltage system now depends on. Displays, codecs, wireless access points, cameras, door controllers and phones all…
Read articleAV display sizing is usually settled by a guess: the room looks like a 75-inch room, or the budget covers an 86-inch panel. Then the drawings…
Read articleLighting CAD drawings look like one drawing — a reflected ceiling plan full of fixtures — but they carry three different kinds of information at once.…
Read articleIntruder alarm drawings are, at heart, a plan of how someone would move through a building they should not be in. Where would they get in?…
Read articleAccess control drawings look simple: a reader beside a door, a lock in the frame, a line back to a controller. But an access-controlled door is…
Read articleFire alarm drawings are reviewed more closely than almost any other low-voltage set. They go to the authority having jurisdiction for plan review, and the reviewer…
Read articleCCTV coverage drawings are often drawn as cones: a camera symbol with a wedge spreading across the plan, and the room looking safely covered. The wedge…
Read articleThe most expensive two words on an AV drawing are “by others”. They tell the installer that something is not their job without saying whose job…
Read articleAssistive listening systems are the part of an AV design that the law is most likely to count. In many assembly spaces they are not a…
Read articleAV wall plate details describe the only part of an AV system most people ever touch. Users never see the rack, the processor or the cable…
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