Locksmithing and Electronic Security Wiring Diagrams by John L. SchumLocksmithing and Electronic Security Wiring Diagrams by John L. Schum

Locksmithing and Electronic Security Wiring Diagrams

byJohn L. Schum

Paperback | April 12, 2002

Pricing and Purchase Info

$54.24 online 
$60.95 list price save 11%
Earn 271 plum® points

Prices and offers may vary in store


In stock online

Ships free on orders over $25

Not available in stores


* Guides the professional from basic drawing exercises to the understanding and design of electrical system wiring designs*

* Illustrates how to create wiring designs, increase troubleshooting skills, select design components, and expertly read and analyze wiring diagrams

*Includes junction boxes and fire panel interface as well as questions, tests, and generic application

JOHN L. SCHUM is the author of Learn About...Electronic Locking Devices and Learn About...Basic Electricity, published by Locksmith Publishing Corporation. He writes technical articles for trade magazines and has given numerous seminars throughout the United States and Canada for various trade groups. He also has been a program speak...
Title:Locksmithing and Electronic Security Wiring DiagramsFormat:PaperbackDimensions:275 pages, 9.3 × 7.3 × 0.58 inPublished:April 12, 2002Publisher:McGraw-Hill EducationLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0071393056

ISBN - 13:9780071393058

Look for similar items by category:


Table of Contents



Chapter 1: Drawing Basics


Line Technique

Chapter 2: Symbols and Abbreviations


Symbol Standardization


Chapter 3: Types of Drawings

Schematic Design

Block Diagram

Elevation Diagram

Riser Diagram

Wiring or Hookup Diagram

Chapter 4: Anatomy of a Wiring Diagram



Terminations and Wire Colors

Power Requirements

Power Flow


Chapter 5: Making a Wiring Diagram

Major Components

Gathering Information

Initial System Layout

The Riser

The Wiring Diagram

Test Exercise Problem

Chapter 6: Other Things

The Junction Box

Fire Panel Interface


Chapter 7: Monitoring

Monitoring Functions

Signaling Devices

Indicating Devices


Test Questions for Chapters 6 and 7

Chapter 8: Relays

Introduction to Relays

How a Relay Works

Anatomy of a Relay

Relay Symbols

Simple Relay Circuits

Chapter 9: Advanced Wiring Diagrams

Things That Need Power

Inputs and Outputs

Designing a System

Making a Wiring Diagram

Wiring Diagram Exercise

Chapter 10: Skill Exercises


Three-Way Switch Wiring

Monitoring Everything!

Relay Logic

Latching Alarm System

Call System with Relay

Security System

Security System with Added Alarm Circuit

Chapter 11: Interlocks

Types of Interlocks

Two-Door Interlock Systems

Multidoor Interlock Systems

Using Relay Control

Interlocks with Relay Control


Chapter 12: Troubleshooting

Safety First

The Multimeter

Using the Meter

Solving Problems


Chapter 13: Practical Applications

General Applications

Magnetic Lock Applications

Electric Exit Device Applications

Automatic Door Applications

Appendix A: Solution of Chapter 5 Test Exercise

Appendix B: Test Answers for Chapters 6 and 7

Appendix C: Solution of Chapter 9 Test Exercise



About the Author