Download Audel Electrician's Pocket Manual by Paul Rosenberg PDF

By Paul Rosenberg

Now totally up to date for the 2002 nationwide electric Code, the Electrician's Pocket guide is full of charts, conversions, pictures, diagrams, code criteria, and different details you would like at the activity.

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Extra info for Audel Electrician's Pocket Manual

Sample text

Three-way switch. Four-way switch. Key-operated switch. Switch and pilot lamp. Switch for low-voltage switching system. Master switch for low-voltage switching system. Switch and single receptacle. S Switch and double receptacle. Door switch. Time switch. Circuit-breaker switch. Momentary contact switch or pushbutton for other than signaling system. Electrical Drawings 37 Circuitingc 3 wires 2 4 wires, etc. 1 Wiring concealed in ceiling or wall. Wiring concealed in floor. Wiring exposed. Note: Use heavyweight line to identify service and feeders.

Key-operated switch. Switch and pilot lamp. Switch for low-voltage switching system. Master switch for low-voltage switching system. Switch and single receptacle. S Switch and double receptacle. Door switch. Time switch. Circuit-breaker switch. Momentary contact switch or pushbutton for other than signaling system. Electrical Drawings 37 Circuitingc 3 wires 2 4 wires, etc. 1 Wiring concealed in ceiling or wall. Wiring concealed in floor. Wiring exposed. Note: Use heavyweight line to identify service and feeders.

These drawings sometimes include a site plan showing the location of the building (on the property) and the interconnecting electrical systems. They can also include floor plans showing the location of power outlets, lighting fixtures, panelboards, power-riser diagrams, and largerscale details where necessary. In order to read any of these drawings, you need to become familiar with the meanings of the many symbols, lines, and abbreviations used. Plan Symbols Because electrical drawings must be prepared by electrical draftsmen quickly and within budget, symbols are used to simplify the work.

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