NWSA Telecommunications Tower Technician 1 (TTT-1)

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A tower crew is tasked with weatherproofing a 4.3-10 coaxial connector on an antenna jumper. What is the standard, multi-layer method for ensuring a long-lasting, watertight seal?

A single, thick layer of electrical tape wrapped tightly around the connector. Injecting silicone sealant directly into the connector threads before tightening. Applying a layer of vinyl tape, followed by a layer of butyl mastic tape, and finished with an outer layer of vinyl tape. Using a heat-shrink tube without any underlying tape layers.

Correct Answer:

Applying a layer of vinyl tape, followed by a layer of butyl mastic tape, and finished with an outer layer of vinyl tape.

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