L-5 Limited Electrical Contractor (2023-05-01)

Ugly’s Electrical References, 2023 Edition is the essential on-the-job reference tool for electrical industry professionals.

The 2023 Edition provides the most pertinent, up-to-date information used by electricians, including updated NEC code and table change information; mathematical formulas; NEMA wiring configurations; conduit bending guide; ampacity and conduit fill information; transformer and control circuit wiring diagrams; and conversion tables.

The 2023 Edition:

• Reflects changes to the 2023 National Electrical Code (NEC)
• Features expanded coverage of the following topics:
  • Full-load currents for 3-phase transformers
  • Maximum number of conductors in electrical metallic tubing for trade sizes 5 and 6
  • Equipment grounding conductors
  • General lighting loads for non-dwelling occupancies

1.1 Scope. 1.1.1 NFPA 72 covers the application, installation, location, performance, inspection, testing, and maintenance of fire alarm systems, supervising station alarm systems, public emergency alarm reporting systems, fire warning equipment and emergency communications systems (ECS), and their components. 1.1.2 The provisions of this chapter apply throughout the Code unless otherwise noted

Are you ready to learn live sound reinforcement using the best-selling title on the subject available? This simple language, detailed illustrations, and concrete examples in this book are suitable for novice to intermediate-level users. "Live Sound Reinforcement" outlines all aspects of P.A. system operation and commonly encountered sound system design concerns. The topics include microphones, speaker systems, equalizers, mixers, signal processors, amplifiers, system wiring and interfaces, indoor and outdoor sound considerations and psycho acoustics.

*THIS BOOK IS NO LONGER IN PRINT AND IS NO LONGER AVAILABLE TO PURCHASE

*PLEASE CONTACT US FOR MORE INFORMATION*

A powerful resource for electrical professionals, the NFPA 70®, National Electrical Code® (NEC®), Self-Adhesive Index Tabs includes 96 high-quality tabs for easy navigation of the NEC, 2020 edition. You can stick these color-coded tabs onto the pages of the new NEC or the new National Electrical Code handbook to indicate the articles, sections, and content you reference the most.

NEC Self-Adhesive Index Tabs mark electrical topics by code article and name. For the 2020 edition, tabs are organized by color to help users quickly find the corresponding subject matter. Only the 2020 edition has tabs that are organized by color to help users quickly find the corresponding subject matter. Previous editions are available in black and white.

Cabling is one of the fastest changing technologies, and Data, Voice and Video Cabling, 3rd Edition, has been updated to address all the latest developments in premises cabling, including technologies and applications in copper, fiber, and wireless cabling. This text is organized to aid in the understanding of cabling, by following a logical format that covers background information on communications systems and media first, and then delves into more detailed discussions on each media type: copper, wireless, and fiber. Separating the key concepts into specific sections also helps to minimize confusion between the unique installation practices among the different technologies. Within each section, topics progress from the basics to components, installation, and testing to assist in the development of individual skills. This book also provides readers with important background and resources regarding the most recent cabling standards, which are an integral part of this fast-paced industry.

The NEC, 2020 edition, introduces significant new requirements for:

• The residential installation of receptacle outlets serving island and peninsular countertops and for surge protection of services supplying dwelling units
• Working space for “housekeeping pads” for electrical equipment, the installation of wiring methods in exit enclosures, sizing supply and load conductors used with adjustable-speed drive systems, and AFCI protection of branch circuits in patient sleeping areas in care facilities
• Calculating the load of electric vehicle supply equipment with variable current settings
• Worker safety in identifying the source of power for disconnecting means and for egress from spaces containing large electrical equipment
• Grounding of disconnecting means installed on the supply-side of service disconnecting means
• Cables installed exposed on ceiling surfaces and sidewalls
• Special occupancies, special equipment, and special conditions, including installation of splash pads, the use of “Type P” cables in hazardous classified locations, and the reinspection of swimming pools and other bodies of water
  
  

The NTC Blue Book is the authority on low voltage systems.  This one of a kind reference provides important information on a wide variety of modern electronic systems.  This book includes application based information.  It is designed to provide workable solutions for the technical challenges presented in the low voltage industry today.

• Most complete reference for Low Voltage Systems
• Great training manual for employees
• Excellent reference, information is easy to find
• Includes broad range of product categories
• • Security, CCTV, Fire Alarm, Access Control
  • Commercial & Residential Sound Systems
  • Structured cabling, Intercom, Central Vacuum
• Contains 500 pages of important application based information
• Basic electronics requirements for low voltage systems
• Certification testing study reference
• Includes information from the most current codes
• Provides new employees with the information needed for success
• Great tool for teaching sales people technical requirements

The NTC Blue Book focuses on the requirements for the major categories of systems.  These include Security, CCTV, Fire Alarm, and Access Control.  The security section of the book provides detailed information on specific applications and product which can be employed to provide detection.  The CCTV section covers the major subjects in modern surveillance systems.  This includes proper lens selection, storage requirements and digital video recording and alternative means of signal transmission.  The fire alarm section covers the basic code requirements for fire alarm systems and how to actually employ them in real life jobs.  The access control section focuses on how to design access control systems to meet the need of your customers.

This book also covers such important product categories like Commercial Sound Systems, Residential Audio/Video Systems, Home Automation, Intercom and Nurse Call Systems.  The NTC Blue Book also covers those categories which may not be at the forefront of the industry, but they play an important role in the industry.  These systems include Telephone Systems, Electronic Article Surveillance, and Gate Entry Systems.

The NTC Blue Book will become one of the most important tools available to your company and your staff.  It has an easy to use format which makes finding information easy.  The book also uses pictures and diagrams to illustrate the important aspects of systems design and installation.