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2. ANSI device numbers - Wikipedia

   en.wikipedia.org/wiki/ANSI_device_numbers

   Today, microprocessor-based relays can perform many protective functions in one device. [1] When one device performs several protective functions, it is typically denoted "11" by the standard as a "Multifunction Device", but ANSI Device Numbers are still used in documentation like single-line diagrams or schematics to indicate which specific ...

3. Reed switch - Wikipedia

   en.wikipedia.org/wiki/Reed_switch

   It was invented in 1922 by professor Valentin Kovalenkov at the Petrograd Electrotechnical University, [1] and later evolved at Bell Telephone Laboratories in 1936 by Walter B. Ellwood into the reed relay. In its simplest and most common form, it consists of a pair of ferromagnetic flexible metal contacts in a hermetically sealed glass envelope.

4. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44) 1A1A45J333 - Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 - In the assembly A1 is a cable called W35. Connectors on this cable would be designated:

5. Relay - Wikipedia

   en.wikipedia.org/wiki/Relay

   A relay allows circuits to be switched by electrical equipment: for example, a timer circuit with a relay could switch power at a preset time. For many years relays were the standard method of controlling industrial electronic systems. A number of relays could be used together to carry out complex functions (relay logic). The principle of relay ...

6. The 49ers have suspended De'Vondre Campbell for final 3 games

   www.aol.com/49ers-suspended-devondre-campbell...

   The San Francisco 49ers suspended linebacker De’Vondre Campbell for the rest of the regular season after he refused to enter a game after losing his starting job. General manager John Lynch ...

7. Protective relay - Wikipedia

   en.wikipedia.org/wiki/Protective_relay

   An overcurrent relay is a type of protective relay which operates when the load current exceeds a pickup value. It is of two types: instantaneous over current (IOC) relay and definite time overcurrent (DTOC) relay. The ANSI device number is 50 for an IOC relay or a DTOC relay. In a typical application, the over current relay is connected to a ...