
Electrical – Codes and Regulations
Electrical power is the lifeblood of a modern building. It provides light, heating, cooling, and power for many electrical devices. Although there is great value in electrical power, it has shortcomings. If it is not handled properly, it represents a significant direct health hazard in the form of electrocution. Additionally, improper installation of wiring or electrical equipment has been the source of countless fires. For these reasons, several organizations have set up guidelines and regulations regarding the installation and use of electrical equipment. One of the most significant set of regulations is the NEC, or National Electric Code. This set of guidelines was first developed by the National Fire Protection Association (NFPA) in 1897, and has been updated every three years since then. Code-enforcement agencies may choose to enforce the current NEC codes, older editions of it, or alternate versions that incorporate local modifications. Designers and electricians should verify the codes and editions in force and consult authorities having jurisdiction (AHJ) regarding their interpretations of ambiguous or conflicting requirements. This module describes how power is delivered to and distributed throughout a building. It also covers some of the major code issues governing this process.
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Learning Objectives
By the end of this course, you will be able to:
- Describe some code requirements for electrical panels and circuit breakers
- Describe the purpose of branch circuit conductors, grounding, and grounding-type receptacles
- List the required locations and/or clearances for furnace disconnects, fire alarm disconnects, working spaces around electrical equipment, and HVAC equipment service outlets
- Identify code requirements for splices, flexible cords, conduits, and EMT
- Describe the recommended method for cutting EMT
- List code requirements for battery backup exit lighting, emergency power supplies, and storage battery room ventilation
Specs
Course Level | Advanced |
Languages | English |
Compatibility | Audio, Video, MobileReady, Responsive |
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