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Exam (elaborations)

Kentucky Masters exam Elecric Questions + Answers Graded A+
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6

June 2025

2024/2025

A+
1. Road Sign Distance Calculation Question: *A 120-volt road sign has #6 copper THWN conductors in a 2" PVC conduit. The sign pulls 8 amps and is on a 30-amp breaker. What is the longest distance that the sign can be located from the sub-panel and still be legal? Use k = 12.9.* Answer: d. 401-500 feet Explanation: To determine the maximum allowable distance, we use the voltage drop formula: Voltage Drop=2×L×I×R1000Voltage Drop=10002×L×I×R Where: • LL = Length in feet • I...
Brainarium
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Exam (elaborations)

Kentucky Masters exam Elecric Questions & Answers 100% Accurate!!
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11

October 2024

2024/2025

A+
A 120 volt road sign has #6 copper THWN conductors in a 2" PVC conduit. The sign pulls 8 amps and is on a 30 amp breaker. what is the longest distance that the sign can be located from the sub-panel and still be legal? Use k = 12.9 a. 100-200 feet b. 201-300 feet c. 301-400 feet d 401-500 feet - ANSWERd. 401-500 A 175 KVA, single phase transformer having a primary voltage of 240 and a secondary voltage of 120 has been installed at a multi-family dwelling. The current available at the p...
Papersbylee
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