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  2. Rural Free Delivery - Wikipedia

    en.wikipedia.org/wiki/Rural_Free_Delivery

    The proposal to offer free rural delivery was not universally embraced. Private carriers and local shopkeepers feared a loss of business. RFD became a political football, with politicians promising it to voters, and benefiting themselves to reach voters. The United States Post Office Department began experiments with Rural Free Delivery as ...

  3. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. IEEE 200 was ratified in 1975. The IEEE renewed the standard in the 1990s, but withdrew it from active support shortly thereafter.

  4. Request for waiver - Wikipedia

    en.wikipedia.org/wiki/Request_for_waiver

    A deviation from the contractual performance requirements or approved drawings should be submitted as a RFD. [4] An RFD is a specific written authorization to depart from a particular requirement of an item's approved configuration documentation for a specific number of units or period of time. A deviation does not change configuration ...

  5. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.

  6. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    The effect of a time-varying electric field, which induces a magnetic field just as the motion of electrical charges does. display device Any device that displays data from an information system, such as a watch readout or an automatic scoreboard. dissipation The loss of energy in a system, such as dielectric loss in a capacitor. dissolved gas ...

  7. Residual-current device - Wikipedia

    en.wikipedia.org/wiki/Residual-current_device

    A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device, more specifically a form of Earth-leakage circuit breaker, that interrupts an electrical circuit when the current passing through line and neutral conductors of a circuit is not equal (the term residual relating to the imbalance), therefore ...

  8. New head of L.A. DWP will make $750,000 a year — nearly twice ...

    www.aol.com/news/head-ladwp-750-000-nearly...

    The DWP panel backed a $750,000 salary for proposed General Manager Janisse Quiñones, far higher than the $447,000 earned by the current manager.

  9. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These symbols are largely standardized internationally today, but may vary from country to country, or engineering ...