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The bane of most CAD user's life is accidently hitting F1! With this top tip, you can customise your AutoCAD keys
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Free Electrical Blocks AutoCAD 2004 / 09

Lighting Blocks

Lighting

This series of 8 AutoCAD Lighting blocks consists of a Fluorescent Light, 600x600 Recessed Light, Downlighter, Emergency Exit, 1 & 2-way Switches, Dimmer Switch & a Photocell. An Ideal set to add to your block library

Small Power Blocks

Small Power

This series includes 4 AutoCAD blocks to be used for small power applications. It consists of a Switched Socket Outlet, a Twin Socket, a Switched Fused Connection Unit and a Distribution Board. Perfect for simple building services designs.

Audio Visual Blocks

Audio Visual

This series includes 4 AutoCAD blocks to be used for Audio Visual applications. It consists of a Data Outlet, a Telephone Outlet, a Clock Unit and a TV Aerial. For a more comprehensive block library for Building Services please visit Cad Blocks

Fire Alarm Blocks

Fire Alarms

This series includes 4 AutoCAD blocks to be used for Fire Alarm Design applications. It consists of a Smoke Detector, a Heat Detector, a Break Glass and a Fire Alarm Panel. This is a great little block library, which will be basically all you need to produce Fire Alarm Designs.

Free Mechanical Blocks AutoCAD 2004 / 09

Lighting Blocks

Duct Work

This series of AutoCAD blocks consists 4 files which include Extract & Supply Grille's as well as a Circular and Rectangular Rising Ductwork Symbols. This perfect to get you on your way to creating ducting drawings.

Small Power Blocks

Heating & Ventilation

This series of AutoCAD blocks consists 4 files which include of a Heater Battery an Extract Fan as well as a Tubular Heater and Radiator. Whether it’s a schematic or a heating plan you're trying to design, these are invaluable symbols to help you on your way.

Audio Visual Blocks

Water & Gas

This series includes 4 AutoCAD blocks to be used for water & gas applications. It consists of a Tap, Shower Mixer, Isolation Valve and Commissioning Set. For a more comprehensive block library for Building Services please visit Cad Blocks