Updated: Feb 19, 2026 | Source: 2026-2030 Question Pool | Topic: T6D
T6D02T6D

What is a relay?

Deep Dive: T6D02

The official 2026-2030 Question Pool answer is A: An electrically-controlled switch. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

Why Other Answers Are Wrong

Option B: This is not the keyed answer in the current official pool. The official keyed answer is A: An electrically-controlled switch. Option C: This is not the keyed answer in the current official pool. The official keyed answer is A: An electrically-controlled switch. Option D: This is not the keyed answer in the current official pool. The official keyed answer is A: An electrically-controlled switch.

Exam Tip

For T6D02, remember the current official key: A - An electrically-controlled switch.

Memory Aid

T6D02: A - An electrically-controlled switch

Source & Coverage

Question Pool: 2026-2030 Question Pool

Subelement: T6D

Reference: 2026-2030 Question Pool · T6 - Electrical components

Key Concepts

T6D Technician question pool official answer key

Official Pool Source

Question text and answer key are synchronized with the current NCVEC Technician Class pool and mapped to the T6D topic.