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Question 21

Which of the following is true about screened twisted pair cable assemblies?

The drain wire and screen foil must be bonded at one end only.

The drain wire and screen foil must be bonded at every connection.

There is no need to bond the screen foil or drain because it is not important.

The drain wire and screen foil must be separately bonded at opposite ends.

Correct Answer: B

In screened twisted pair cable assemblies, the drain wire and screen foil must be bonded at every connection to maintain proper shielding and reduce electromagnetic interference. Bonding at every connection ensures continuity of the shielding, which is crucial for the overall performance of the cable.

Discussion

CUB90

TDMM chapter 6 page 6-77