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Showing 1 - 6 of 6 matches in All departments

Oscilloscopes: A Manual for Students, Engineers, and Scientists (Hardcover, 1st ed. 2020): David Herres Oscilloscopes: A Manual for Students, Engineers, and Scientists (Hardcover, 1st ed. 2020)
David Herres
R891 Discovery Miles 8 910 Ships in 7 - 11 working days

This text presents readers with an engaging while rigorous manual on the use of oscilloscopes in laboratory and field settings. It describes procedures for measuring and displaying waveforms, gives examples of how this information can be used for repairing malfunctioning equipment and developing new designs, and explains steps for debugging pre-production prototypes. The book begins by examining how the oscilloscope displays electrical energy as traces on X and Y co-ordinates, freely transitioning without loss of information between time and frequency domains, in accordance with the Fourier Transform and its modern correlate, the Fast Fourier Transform. The book continues with practical applications and case studies, describes how oscilloscopes are used in diagnosing pulse width modulation (PWM) problems--looking at serial data streaming and analyzing power supply noise and premises power quality issues-and emphasizes the great functionality of mixed-signal as opposed to mixed-domain oscilloscope, and earlier instruments. Featuring many descriptions of applications in applied science and physics, Oscilloscopes: A Manual for Students, Engineers, and Scientists is ideal for students, faculty, and practitioners.

Troubleshooting and Repairing Commercial Electrical Equipment (Hardcover, Ed): David Herres Troubleshooting and Repairing Commercial Electrical Equipment (Hardcover, Ed)
David Herres
R1,193 R909 Discovery Miles 9 090 Save R284 (24%) Ships in 7 - 11 working days

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. A PRACTICAL GUIDE that shows maintenance and construction electricians how to successfully repair commercial and industrial electrical equipmentTroubleshooting and Repairing Commercial Electrical Equipment is the first work that offers a practical approach to diagnosing and repairing commercial/industrial electrical equipment - covering everything from motors, computers, elevators, and fire alarm systems to heavy-duty ovens and audio equipment. If you are a licensed construction or maintenance electrician who repairs malfunctioning industrial electrical equipment, this one-of-a-kind guide can help you become more competent in your profession. Inside you'll find ways to become faster, more efficient, and able to achieve a much higher success rate in restoring large electrical equipment without damaging it, introducing an additional defect, or creating a hazard. This invaluable resource also includes information for those seeking licensing and certification, as well as different measures that should be taken to ensure that a UL or other agency listing is not voided. Presents a new system of diagnostics based on the difficulty of each procedure and the probability of its success Emphasizes a practical approach to ensure that equipment is fixed properly Uses a blend of basic electrical theory and sophisticated mathematical equations that both experienced technicians and apprentices can learn from Includes separate chapters on elevators, fire alarm systems, motors, largescale stereo equipment, and industrial appliances Discusses related licensing and certification as they pertain to troubleshooting and repair Written by a Master Electrician with more than 35 years of experience

2011 National Electrical Code Chapter-By-Chapter (Paperback, Ed): David Herres 2011 National Electrical Code Chapter-By-Chapter (Paperback, Ed)
David Herres
R842 R654 Discovery Miles 6 540 Save R188 (22%) Ships in 7 - 11 working days

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. A STEP-BY-STEP GUIDE TO THE 2011 NATIONAL ELECTRICAL CODEWritten by a Master Electrician, 2011 National Electrical Code Chapter-by-Chapter offers an in-depth analysis of the NEC with particular attention to the order in which various elements appear. This practical resource provides the knowledge you need to pass the Master Electrician's License Exam the first time by helping you understand the structure and logic of the NEC rather than memorize all the details. Material that appears outside the NEC main body, including the index, annexes, and Article 90, is also discussed in this essential handbook. 2011 National Electrical Code Chapter-by-Chapter covers: General Wiring and Protection Wiring Methods and Materials Equipment for General Use Special Occupancies Special Equipment Special Conditions Communications Systems Tables

Elevator Troubleshooting & Repair - A Technician's Certification Study Guide (Hardcover): David Herres Elevator Troubleshooting & Repair - A Technician's Certification Study Guide (Hardcover)
David Herres
R1,749 R1,613 Discovery Miles 16 130 Save R136 (8%) Ships in 7 - 11 working days

Elevators move large numbers of people up and down each day, mostly without incident, thanks to a strongly developed system of safety measures and the work of highly trained and experienced professionals. In performing elevator maintenance and repair, there are numerous technical factors, not to mention huge moral and legal issues. Workers need to fully understand proper maintenance procedures so that all safeguards remain in effect. It's also essential to be aware of applicable regulations, and to maintain compliance at all times. For those serious about engaging in elevator work, the appropriate licenses must be acquired-an electrician's license and elevator mechanic's license. These are not achieved overnight. This work covers everything a student or current technician needs to know to perform elevator diagnosis, maintenance, troubleshooting, and repair, and details all the knowledge a technician must have to properly service elevators in various situations. It is also the only work that includes helpful questions and corresponding answers for those who are studying to obtain their elevator mechanic's license. Features: Offers sample certification questions and answers for those looking to get their Elevator Mechanic's license. Places an emphasis on safety interlocks and the elevator system as a whole. Includes a history of elevators to give readers perspective on the industry and advancements in technology to date. Written by a renowned electrician with regular columns and contributions in Elevator World and Electrical Construction and Maintenance magazines.

The Homeowner's DIY Guide to Electrical Wiring (Paperback, Ed): David Herres The Homeowner's DIY Guide to Electrical Wiring (Paperback, Ed)
David Herres
R516 R430 Discovery Miles 4 300 Save R86 (17%) Ships in 7 - 11 working days

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. A practical, money-saving guide to home electrical wiringHandle residential wiring projects correctly, safely, and according to the National Electrical Code (NEC). Filled with clear photos and helpful diagrams, The Homeowner's DIY Guide to Electrical Wiring shows you how to quickly and easily navigate the portions of the NEC that pertain to residential installations. This hands-on resource covers basic electronics and explains how electrical service progresses through your home. It describes how to install and test electrical systems and lighting, repair appliances and TVs, and upgrade to the latest innovations such as home networking, home automation, and alternate power systems. You'll learn the procedures used by professional electricians to create the kind of quality work that will pass inspection and add value to your home. The Homeowner's DIY Guide to Electrical Wiring shows how to: Protect against fire and shock hazards Track electrical service from the point of connection to the entrance panel Follow NEC requirements for residential projects Work with test equipment and installation tools Use the best techniques for quality electrical work Design and install indoor and outdoor lighting Maintain and repair electrically powered appliances Fix CRT, plasma, and LCD TVs Design a data and communications network and install coax, USB, and Ethernet cabling Install a home automation system Install backup and alternate power systems Work with smart meters

The Electrician's Trade Demystified (Paperback, Ed): David Herres The Electrician's Trade Demystified (Paperback, Ed)
David Herres
R551 R455 Discovery Miles 4 550 Save R96 (17%) Ships in 7 - 11 working days

Supercharge your CAREER as an ELECTRICIAN

Are you an aspiring journeyman or master electrician? "The Electrician's Trade DeMYSTiFieD" makes it shockingly easy to prepare for licensing exams and onthe- job success.

Written in a step-by-step format, this practical guide describes the typical licensing process, which varies by region, and explains how to determine the specific requirements for your state or city. You'll get a thorough review of the National Electrical Code (NEC), including ways to access exam answers on an open-book basis. Detailed examples and concise explanations make it easy to understand the material, and end-of-chapter quizzes and a final exam help reinforce key concepts.

"It's a no-brainer You'll learn: " How to find licensing requirements for the state in which you plan to work Time-saving methods for navigating through the NEC What it takes to become a journeyman and master electrician Strategies for passing your exam How to use logic to improve your score Jobsite procedures that promote efficiency and productivity

"Simple enough for a beginner, but challenging enough for an advanced student, The Electrician's Trade DeMYSTiFieD helps you maximize your test score and become a successful working electrician "

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