As shown in figures "E" and "F" of the...

Question 1 of 2707066636eed28f7522a1c51daa6

As shown in figures "E" and "F" of the pictured high voltage rack mounted circuit breaker, which figure represents the circuit breaker position when in the open or tripped position? Illustration EL-0167

Back

Question 1 of 27070

No Illustration

This question does not have an illustration

🔍 Key Concepts

• Understand the difference between breaker contact position (open/closed/tripped) and racking position (connected/test/disconnected/withdrawn). • Look for how the main contacts and auxiliary contacts are drawn in each figure A–D. • Compare the physical handle position and cubicle position in figures E and F with the schematic representations in A–D.

💭 Think About

• In an open or tripped state, is the breaker usually still in the cubicle, or completely withdrawn on its rails? Which figures A–D show the breaker still aligned with the bus/stabs? • Which figure shows the main power path interrupted (a visible gap in the main contacts) while the breaker is still mechanically engaged in the switchboard? • How would the test or disconnected positions be drawn differently from the fully removed position? Which of A–D best matches that idea?

✅ Before You Answer

• Verify which figure keeps the breaker body at the same depth in the cubicle, indicating it is still racked in rather than fully withdrawn. • Identify where the main contacts are clearly shown as open (a break in the line) instead of closed. • Confirm that in the chosen figure, the auxiliary contacts and mechanisms could still operate, matching what you see in figures E and F when a breaker has tripped but not been rolled out.