Engine : Electricity - 603/1386
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| As shown in figure "6" of the illustration, what does the symbol represent as used in electrical drawings? EL-0026 |
| A) maintaining type push button with a mechanical interlock |
| B) normally closed contact held open mechanically by an interlock |
| C) maintaining type push button with an electrical interlock |
| D) limit switch with one set of normally open contacts |
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Illustration EL-0026
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