 | American Institute of Electrical Engineers - 1917 - 1322 páginas
...484, 486 and 609. [This section is intended to replace ultimately §727]. SWITCHES 766 Switch. — A switch is a device for making, breaking or changing the connections in an electric circuit. [This section is intended to replace ultimately §721]. 766a Master-Switch. — A master-switch is... | |
 | American Institute of Electrical Engineers - 1917 - 1322 páginas
...484, 486 and 609. (This section is intended to replace ultimately §727). SWITCHES 766 Switch.—A switch is a device for making, breaking or changing the connections in an electric circuit. [This section is intended to replace ultimately §721]. 766a Master-Switch.—A master-switch is a... | |
 | Charles Marquis Smith - 1917 - 346 páginas
...oxidation. Such keys are intended for use with feeble currents and low voltage only. A switch is any device for making, breaking, or changing the connections in an electric circuit. A single-pole, single-throw switch is shown in Fig. 3, and in any given case one will be Fio. 3. chosen... | |
 | Charles Reginald Underhill - 1924 - 496 páginas
...breakers up to 500 volts rating and switches and fuses up to 600 volts rating for fuses. 7001. SWITCH. A switch is a device for making, breaking or changing the connections in an electric circuit. 7002. MASTER SWITCH. A master switch is a switch which serves to govern the operation of contactors... | |
 | Electric Power Club - 1925 - 268 páginas
...ENGINEERING STANDARDS AESC— C19— 1925 Definitions — Miscellaneous Switches 2150.1 Switch. 1 . A switch is a device for making, breaking or changing the connections in an electric circuit. American Standard — Approved 7-9-1925. 2151.1 Auxiliary Switch. 1. An auxiliary switch is a switch... | |
 | National Electrical Manufacturers Association - 1927 - 140 páginas
...complete its operation. Recommended Practice 11-2-1922. Miscellaneous Switches Switch 124.2-140 (a) A switch is a device for making, breaking or changing the connections in an electric circuit. Adopted Standard 1-15-1925. Auxiliary Switch 124.2-141 Same as Rule 124.2-329. Bell Alarm Switch 124.2-142... | |
 | National Electrical Manufacturers Association - 1927 - 140 páginas
...break (breaks in series) is the sum of the four breaks . Adopted Standard 7-14-1927 Switch 302-120 A switch is a device for making, breaking or changing the connections in an electric circuit. Adopted Standard 7-14-1927 Relay 301-121 A relay is a device which is operative by a variation in the... | |
 | National Electrical Manufacturers Association - 1928 - 366 páginas
...Engineering Standards AES C— C19— 1925 Definitions — Miscellaneous Switches Switch 120.2-250 (a) A switch is a device for making, breaking or changing the connections in an electric circuit. American Standard — Approved 7-9-1925. Auxiliary Switch 120.2-251 (a) An auxiliary switch is a switch... | |
 | National Electrical Manufacturers Association - 1928 - 176 páginas
...quadruple break (breaks in series) is the sum of the four breaks. Adopted Standard 7-14-1927 Switch 302-120 A switch is a device for making, breaking or changing the connections in an electric circuit. Adopted Standard 7-14-1927 Relay 302-121 A relay is a device which is operative by a variation in the... | |
 | Conde Balcom McCullough, Albin Leroy Gemeny, William Roy Wickerham - 1931 - 152 páginas
...to be united by pressure to another conducting part for the purpose of carrying current. Switch. — A switch is a device for making, breaking, or changing the connections in an electric circuit. Disconnecting switch. — A disconnecting switch is a switch which is intended to open a circuit only... | |
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Switch. A switch is a device for making, breaking or changing the connections in an electric circuit. 
