This article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada, the u. The page contains a list of abbreviations and its full forms, which are commonly used in electrical and electronics engineering. Commercial electrical contractors in georgia the blue book. After a longform case name has been established, you can use heavy or shortform abbreviations to mention the case. Designed to be used as a companion guide to the 2017 nec itself, mcgrawhills national electrical code 2017 handbook, 29th edition, is arranged logicallythe explanation for any topic lines up exactly with the applicable section in the code. National electrical code reference guides from cengage. Common abbreviations from the bluebook style guide can help you write or read a legal document. Covers customer owned piping after the gas meter b. These rooms require that a wall switch is placed beside the entry door of the room so that you can light the room upon. So now you can look up you needs in the latest nec code book from any location with a web browser. Since it doesnt make sense to write out the full terms every time, shorter abbreviations are used for various circuits, conduits, sizes, standardized tools, and more.
Electric specifications technical resources national. As noted in the discussion of mediumneutral citation, two important national bodies, the. Bluebook citation and style manuals research guides at virginia. Black, red, and blue are used for 208 vac threephase. The nfpa national fire prevention association has made the national electrical code nfpa 70 available on line in a free reader format. Retroactivity unless otherwise stated, or as required by the local inspector, the provisions of this book. The new york state codes, rules and regulations title 19 16 nycrr 255 and 261, latest revision, referred to in the book as nycrr. Inside the back cover of this book youll find a software download certificate. The primary restriction for lengths of fmc over 6 ft is it cant be used for the ground fault return path. Apr 06, 2017 electrical abbreviations and acronyms are used very often in the field of electrical industrial. Specifications for electric installations consolidated.
Throughout the united states and around the world, nfpa 70. Bluebook is a uniform system of citation that is published by the harvard. National electrical code nec sets the foundation for electrical safety in residential, commercial, and industrial occupancies. In thinking of the bluebook, i have been reminded of big blue, the ibm corporation. The nec is commonly adopted by state or local law, as well as in many jurisdictions outside of the united states. Dictionary of electrical abbreviations, signs, and symbols polon, d d ed on.
The bluebooks 20th edition prompts many musings from bryan garner. Most of north america and central america, and some of south america, use connectors standardized by the national electrical manufacturers association. Set out below is a table of words and their abbreviations with links to examples. It is a composite of those contained in the bluebook and the alwd guide to legal. Free online access to the nec and other electrical standards. The ntc blue book is the authority on low voltage systems. The devices are named using the format nema nmmx, where n is an identifier for the configuration of pins and blades, mm is the maximum current rating, and x is either p for plug or r for. Although the ss series product line is csa class 1 division 2 certified and complies with north america regulations defined by the national electrical code nec, higher levels of safety sometime require additional measures for zones where intermittent and continuous hazards exist. What words should you abbreviate when citing legal case names. Nfpa delivers free online access to all nfpa standards to enhance public safety and to serve the publics increasing interest in technical information. Electrical work involves space constraints of many devices and panels. The ntc blue book is the basic training manual for the low voltage industry. You might abbreviate the word communication to com. Nfpa 70, national electrical code nfpa 70b, recommended practice for electrical equipment maintenance.
Standard living areas are relatively modest power users, but they have clearly defined electrical requirements. Nfpa 70e, standard for electrical safety in the workplace. The blue book building and construction network is the industrys leading source of regional, categorized electrical contractors information. Commercial companies that specialize in the installation and maintenance of low voltage alarms, lighting and high voltage substations, transformers, tension lines electrical systems. Specifications for electric installations consolidated edison co. For a hard copy of the blue book call 915 5432075 in texas or 505 5233677 in new mexico. Retirement plan for employees of kansas gas and electric u. Esb 750 series proposal request pdf for proposals or suggested changes to our specifications for electrical installations and its supplements, please complete this form. Specifications for electric installations consolidated edison.
How hosting a national pandemic summit aided the nebraska courts. National conference of commissioners on uniform state law, r12. Basic beginners allpurpose symbolic instruction code. Search for abbreviation meaning, word to abbreviate, or lists of abbreviations. Electric, electrical, electricity, or electronic, elec. National council of examiners for engineering and surveying. Standard service layout is provided for reference purposes only. In the national electric code nec the word diversity means that the designer can discount certain electric loads in a building to determine the size of copper required for the main feeders, acknowledging that the entire electric capacity of the building is never demanded at any one time. National electrical code synonyms, national electrical code pronunciation, national electrical code translation, english dictionary definition of national electrical code. Additionally, the light abbreviation system allows for abbreviations for entities or acronyms that are wellknown. Be sure to check the front section of the drawing set for the abbreviations used within.
Words arent abbreviated in case names, and the citation style for. These abbreviations include the aclu, the sec, and others. Required abbreviations for case names in citations. Ntc blue book, low voltage systems handbook 9780976951150. Inc 4 the con edison system for more than 180 years, onsolidated edison, inc. Underground utility standards astm underground utilities standards include standard practices for installing and operating optical fiber systems and repair of sewer systems. Electrical abbreviations the list of abbreviations used in a set of engineering drawings varies from office to office. Adopted in all 50 states, nfpa 70, national electrical code nec is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards. The blue book features over 1,000,000 company listings in bluebook and csi industry catagories including electrical contractors. Completely up to date with the 2017 national electrical code and based on relevant home builders institute hbi national skill standards, this vividly illustrated, fullcolor text delivers a proven approach to teaching the latest and best practices in residential electrical wiring. Since 1975a the national electric code has not specified coloring of electrical power conductors. What is the national electrical code the nec is part of the national fire codes series published by the national fire protection association and is also known as nfpa 70.
Electrical installations 2020 covering national grid s service areas in massachusetts ma, new york ny and rhode island ri electric system bulletin 750 covering national grids service areas in massachusetts ma, new york ny and rhode island ri electric system bulletin 750. Electric service requirement book electricity for west. The nec is updated and published every three years. This abbreviation is usually found in titles for technical personnel, military or regimented organizations, on forms, and in note taking. In the united states, licensure for the engineering and surveying professions is regulated by state. Tlc electrical supplies fast online sales of electrical cable, wiring accessories, lighting, heating and security equipment. What is the abbreviation for national electrical code. This publication also summarizes recommended drawing practices for electrical construction drawings. This one of a kind reference provides important information on a wide variety of modern electronic systems. The 2017 edition of this trusted code presents the latest comprehensive regulations for electrical wiring, overcurrent protection, grounding, and. Dictionary of electrical abbreviations, signs, and symbols. Typical electrical drawing symbols and conventions.
Case name abbreviations table 6 a b c d e f g h i j k l m n o p q r s t u v w x y z. National electrical code electrical repairs electrical. Underground utilities standards address safety and access rights, selection of the utility, and the continued maintenance of the utility once fiber has been installed. These areas are generally served by standard 120volt 15amp or 20amp circuits that may serve more than one room. The national electrical code nec, or nfpa 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the united states.
Specifications for electric installations con edison. The information in the blue book conforms with the latest editions of the national electric safety code, the national electric code and any other codes and regulations in effect in our service areas. Electric, electrical, electricity, or electronic elec. In general, if the overcurrent protective device is over 20a, you must install an equipment grounding conductor along.
Now that the bluebook has been increasingly internationalized over the. Xvi, 2 providing for the creation of a national guard of arizona. The blue book network intelligence and analytics team focuses on discovering the trends and data relationships that drive labor and materials throughout t. Commercial electrical contractors in georgia the blue. National electrical code definition of national electrical. The nec allows a 7ft extension of flexible metallic conduit fmc to a motor subject to the conditions in art. National electrical code is abbreviated as nec also n. Candidates interested in pursuing licensure are encouraged to check the requirements in the state or territory where they plan to practice, as the requirements vary. Association of illinois electric cooperatives, 20 il app 4th 120289. It is common practice in most areas to identify 120240 volt conductors as black and red for electrical services for the home, and black,red and blue for 3phase 120208y electrical services. Commercial electrical contractors the blue book network. Wiring color codes color codes electronics textbook. The national electric code nec code book nfpa 70 free online. It is part of the national fire code series published by the national fire protection association nfpa, a private trade association.
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