New York State Master Electrician Practice Exam

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What should be true about the length of conductors used to connect surge protective devices?

  1. They can be as long as necessary

  2. They must be the shortest length possible

  3. They must be coiled to prevent customer injury

  4. They should include unnecessary bends for better connectivity

The correct answer is: They must be the shortest length possible

The length of conductors used to connect surge protective devices is critical for maintaining their effectiveness and ensuring safety. It is crucial that these conductors are kept as short as possible. Shorter conductor lengths help minimize the inductive and capacitive effects that can compromise the surge protection capabilities. Excessive lengths can lead to increased resistance and voltage drops, which might reduce the efficiency of the surge protective devices. In addition to performance considerations, shorter conductors also contribute to reduced electrical noise and interference, further enhancing the reliability of the surge protection. Therefore, optimal installation practices dictate that the conductors used for connecting surge protective devices must be minimized in length to ensure both safety and functionality.

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