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Communication Systems (2025-06-18)
Low voltage electrical systems, except for alarms.
Number of Questions - 50
Minimum Passing - 70%
Time Allowed - 2 Hours
The reference material listed below was used to prepare the questions for this examination. The examination may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of references as they become available. For Code questions, the examinations will be based only on the edition of the Code book that is listed.
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Open Book These books are allowed while taking your test.
Closed Book These books are for pre-test study only and are not available for use during the test.
In Stock These books are currently in stock.
Out of Stock These books are currently out of stock.
Closed Book These books are for pre-test study only and are not available for use during the test.
In Stock These books are currently in stock.
Out of Stock These books are currently out of stock.
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Open Book Out of Stock
Live Sound Reinforcement
2nd Edition
Publication Year: 2002
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*
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Open Book In Stock
Telecommunications Wiring
3rd Edition
Publication Year: 2001
$60.00
The industry's best reference, fully updated for the latest NEC wiring standards! The single-source resource for wiring professionals has just been updated to reflect the latest media, wiring schemes, products, and techniques — plus critical new safety and fire requirements from the latest National Electrical Code (NEC). Telecommunications Wiring, 3rd Edition offers the industry's most coherent, end-to-end approach to designing and implementing cabling systems. It delivers every skill you need, across the entire system life-cycle: planning, selecting media, defining architectures, creating successful RFPs, choosing vendors, installation, testing, documentation, and maintenance. Coverage includes:
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Open Book In Stock
NFPA 70: National Electrical Code 2020
Publication Year: 2020
$150.00
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
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Open Book In Stock
NFPA 70: National Electrical Code Tabs 2020
$15.00
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.
