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Figure 39-2 -When the START Button Is Pushed in the Accompanying Figure

Question 3

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Figure 39-2
Figure 39-2 -When the START button is pushed in the accompanying figure, relay coil CR is energized. This causes all CR contacts to close. Contact CR-1 is a(n) ____________________ used to maintain the circuit to coil CR when the START button is released.
-When the START button is pushed in the accompanying figure, relay coil CR is energized. This causes all CR contacts to close. Contact CR-1 is a(n) ____________________ used to maintain the circuit to coil CR when the START button is released.

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