Ugly’s Electrical References 2020 spiral bound Edition (9781284194531) is a practical reference for electricians and electrical professionals who need quick access to essential electrical formulas, calculations, diagrams, and National Electrical Code (NEC) information. Written by Charles R. Miller and published by Jones & Bartlett Learning, this sixth edition reflects changes to the 2020 NEC. The spiral-bound format makes this electrical reference book a useful addition to a toolbox, workbench, classroom, or professional reference collection.
The Ugly’s Electrical References 2020 edition brings together technical information commonly used in electrical installation, troubleshooting, planning, and maintenance work. Instead of searching through multiple reference materials for frequently needed calculations, readers can consult a compact collection of electrical tables, formulas, illustrations, and wiring diagrams. Its quick-reference approach supports electricians who need to check technical information while preparing for a job, reviewing an electrical system, or working through practical calculations.
The book covers mathematical formulas and equations, Ohm’s Law, series and parallel circuits, electrical power calculations, voltage drop, and transformer calculations. It also includes information on conductor ampacity, ampacity correction and adjustment factors, conduit fill, conductor dimensions, and electrical wiring configurations. These topics help readers reference important values and relationships when working with electrical circuits, conductors, motors, transformers, and distribution systems.
Another useful feature is its coverage of National Electrical Code tables and information related to the 2020 NEC. Readers can consult material concerning electrical installations, wiring methods, grounding, and other commonly referenced electrical requirements. The reference also includes National Electrical Manufacturers Association (NEMA) wiring configurations, electrical symbols, conversion tables, and conduit bending guidance. Expanded coverage in this edition addresses junction box sizing and the selection and use of electrical testing instruments, including multimeters, clamp-on ammeters, and non-contact voltage testers.
Ugly’s Electrical References is relevant to a broad range of readers, including electricians, electrical contractors, engineers, maintenance technicians, instructors, apprentices, and electrical trade students. Experienced professionals can use it to look up familiar calculations and technical tables, while students can consult the illustrations and worked examples to reinforce their understanding of fundamental electrical concepts. Its combination of formulas, reference charts, and practical diagrams supports both learning and day-to-day electrical work.
This 2020 edition is particularly suitable for buyers who need the reference material associated with the 2020 National Electrical Code. Because NEC editions change, readers should confirm which edition applies to their project, training requirements, or jurisdiction before relying on code-related information. The book serves as a convenient technical reference rather than a replacement for applicable codes, manufacturer instructions, or professional judgment.
For anyone seeking Ugly’s Electrical References 2020 edition (9781284194531) by Charles R. Miller, this spiral-bound volume brings essential electrical calculations, wiring diagrams, code-related references, and technical tables together in one accessible resource. Its focused coverage makes it a useful reference for electrical trade work, technical study, and professional development.
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