CITY & GUILDS 2365 UNIT 614 EXAM
REVIEW QUIZ | QUESTIONS AND
ANSWERS |2026/2027 UPDATE | JUST
RELEASED
1. Which document provides the specific guidance on the selection and use of test equipment
for electrical installations?
A. BS 7671
B. GS38
C. Part P
D. EAWR 1989
Answer: B
Conceptual Explanation: Guidance Note GS38 (General Series) provides safety
requirements for test equipment used by electricians.
2. When performing safe isolation, what is the final step before starting work?
A. Locking the circuit breaker
B. Putting up warning signs
C. Proving the voltage indicator against a known source
D. Checking the circuit with a multimeter
,Answer: C
Conceptual Explanation: After testing the circuit to be dead, the voltage indicator must be
re-verified against a known source to ensure it is still functioning.
3. What is the maximum length of exposed tip allowed for test probes on systems exceeding
50V AC?
A. 4mm
B. 2mm
C. 6mm
D. 10mm
Answer: A
Conceptual Explanation: According to GS38, probe tips should be shrouded and have no
more than 4mm of exposed metal to prevent accidental short circuits.
4. In the sequence of dead tests, which test should be carried out first on a new installation?
A. Continuity of protective conductors
B. Insulation resistance
C. Polarity
D. Ring final circuit continuity
Answer: A
, Conceptual Explanation: Continuity of protective conductors is the first test to ensure the
safety path is intact before other tests proceed.
5. A continuity test on a ring final circuit shows a result of infinity between the ends of the
line conductor. What does this indicate?
A. An open circuit
B. A short circuit
C. A high resistance joint
D. A correctly wired ring
Answer: A
Conceptual Explanation: An infinite reading (OL) indicates no electrical path, meaning the
ring is broken (open circuit).
6. During a ring final circuit test, why is Step 2 (cross-connecting L and N) performed?
A. To verify the polarity at each socket outlet
B. To measure the R1+R2 value
C. To verify the CPC continuity
D. To check for figure-of-eight loops
Answer: A
REVIEW QUIZ | QUESTIONS AND
ANSWERS |2026/2027 UPDATE | JUST
RELEASED
1. Which document provides the specific guidance on the selection and use of test equipment
for electrical installations?
A. BS 7671
B. GS38
C. Part P
D. EAWR 1989
Answer: B
Conceptual Explanation: Guidance Note GS38 (General Series) provides safety
requirements for test equipment used by electricians.
2. When performing safe isolation, what is the final step before starting work?
A. Locking the circuit breaker
B. Putting up warning signs
C. Proving the voltage indicator against a known source
D. Checking the circuit with a multimeter
,Answer: C
Conceptual Explanation: After testing the circuit to be dead, the voltage indicator must be
re-verified against a known source to ensure it is still functioning.
3. What is the maximum length of exposed tip allowed for test probes on systems exceeding
50V AC?
A. 4mm
B. 2mm
C. 6mm
D. 10mm
Answer: A
Conceptual Explanation: According to GS38, probe tips should be shrouded and have no
more than 4mm of exposed metal to prevent accidental short circuits.
4. In the sequence of dead tests, which test should be carried out first on a new installation?
A. Continuity of protective conductors
B. Insulation resistance
C. Polarity
D. Ring final circuit continuity
Answer: A
, Conceptual Explanation: Continuity of protective conductors is the first test to ensure the
safety path is intact before other tests proceed.
5. A continuity test on a ring final circuit shows a result of infinity between the ends of the
line conductor. What does this indicate?
A. An open circuit
B. A short circuit
C. A high resistance joint
D. A correctly wired ring
Answer: A
Conceptual Explanation: An infinite reading (OL) indicates no electrical path, meaning the
ring is broken (open circuit).
6. During a ring final circuit test, why is Step 2 (cross-connecting L and N) performed?
A. To verify the polarity at each socket outlet
B. To measure the R1+R2 value
C. To verify the CPC continuity
D. To check for figure-of-eight loops
Answer: A
