Engine_2014 : Electricity - 767/2299
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| Erratic operation of the device represented in the diagram labeled "A" shown in the illustration could be traced to what condition? |
| A) improper contact at "R" slip rings or "S" connections |
| B) a low three-phase voltage supply |
| C) improper contact at "S" slip rings or "R" connections |
| D) a high three-phase voltage supply |
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Illustration EL-0092
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