Technician exam question T0B01
Subelement T0, SAFETY· Group T0B
Which of the following is good practice when installing ground wires on a tower for lightning protection?
- A.Put a drip loop in the ground connection to prevent water damage to the ground system
- B.Make sure all ground wire bends are right angles
- C.Ensure that connections are short and direct (correct answer)
- D.All these choices are correct
WhyGood practice when installing ground wires on a tower for lightning protection is ensuring connections are short and direct. Keeping tower ground wire runs short and direct minimizes the wire's impedance to a fast lightning surge, giving the surge the most efficient path to earth, answer C. A drip loop (A) is a technique for AC power cords, not lightning grounding, and sharp right-angle bends (B) actually increase a ground wire's impedance to a lightning surge rather than help it, the opposite of what's wanted.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2026-2030 NCVEC Element 2 pool (public domain); the explanation above is original writing, see our methodology.
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