CEA Tools, Equipment & Testing Procedures 2

Question 1

When using a clamp meter to measure AC current, what must the conductor pass through?

Accepted Answer

The center of the clamp jaw opening

Answer

The conductor must pass through the center of the clamp jaw so the magnetic field is fully captured for an accurate reading.

Question 2

A fish tape made of steel should NOT be used when pulling wire through conduit that contains:

Accepted Answer

Live energized conductors

Answer

Steel fish tape is conductive and using it in conduit with energized conductors creates a serious electrocution hazard.

Question 3

Which tool is used to cut threads on the outside of metal conduit in the field?

Accepted Answer

A pipe threader die and ratchet

Answer

A pipe threader with the correct die size cuts NPT external threads on rigid or IMC conduit for coupling connections.

Question 4

What is the primary purpose of a conduit reamer after cutting conduit?

Accepted Answer

To remove sharp burrs from the inside edge

Answer

Reaming removes burrs left by cutting to prevent insulation damage on conductors pulled through the conduit.

Question 5

A phase rotation meter (phase sequence tester) is used to verify:

Accepted Answer

The order in which three-phase voltages peak

Answer

Phase rotation meters confirm ABC or ACB phase sequence, which is critical for correct motor rotation direction.

(CEA) Certified Electrical Apprentice Practice Test