Search results
Results From The WOW.Com Content Network
Learn how different countries and agencies use predefined systems to describe the priority and response assigned to calls for service. Compare the codes and methods used by emergency services in the United States, the United Kingdom, and other jurisdictions.
A wiring diagram is a pictorial representation of an electrical circuit, showing the components and connections. Learn about different types of wiring diagrams, such as architectural, automotive, and schematic, and their symbols and uses.
Maxim MAX704: Microprocessor Supervisory Circuit with Battery Backup. Supervisory circuits are electronic circuits that monitor one or more parameters of systems such as power supplies and microprocessors which must be maintained within certain limits, and take appropriate action if a parameter goes out of bounds, creating an unacceptable or dangerous situation.
Learn how to prioritize possible interventions to minimize or eliminate exposure to hazards in industry and public policy. The hierarchy of hazard controls is a system that ranks elimination, substitution, engineering, administrative, and personal protective equipment as the most to least effective methods.
Knob-and-tube wiring is an early method of electrical wiring in buildings, using single-insulated copper conductors and porcelain tubes and knobs. It was common in North America from about 1880 to the 1930s, but is now obsolete and potentially hazardous.
A circuit diagram is a graphical representation of an electrical circuit using standardized symbolic representations. Learn about the comparison of pictorial and schematic styles, the common symbols and their meanings, and the organization and artwork of circuit diagrams.
The National Electrical Code (NEC) is a standard for electrical wiring and equipment in the United States, published by the National Fire Protection Association. It is updated every three years and adopted by states and municipalities, but may vary by region or jurisdiction.
Dia is a cross-platform, open source software for creating various types of diagrams, such as flowcharts, network diagrams, circuit diagrams, and UML diagrams. It supports exporting to multiple formats, scripting with Python, and has a modular design with shape packages.