RCDD CHAPTER 2 ELECTROMAGNETIC
COMPATIBILITY TEST QUESTIONS AND
ANSWERS
A—ANSWER A customer with an EMI issue requested a site survey. During
the survey, you found that the electrical power for the site was installed in a
nonmetallic raceway, causing what type of EMI site issue?
A - Commercial and Standby alternating current
B - Feeder Distribution
C - Electrical Service Entrance
D - Branch Distribution
Page 2-14
D - ANSWER: What minimum separation should be maintained between a
cable pathway and a 10kVA transformer?
A - ≈150 mm (6 in)
B - ≈300 mm (12 in)
C - ≈600 mm (24 in)
D - ≈1220 mm (48 in)
Page 2-44
A - ANSWER What type of coupling is caused by electric fields?
COMPATIBILITY TEST QUESTIONS AND
ANSWERS
A—ANSWER A customer with an EMI issue requested a site survey. During
the survey, you found that the electrical power for the site was installed in a
nonmetallic raceway, causing what type of EMI site issue?
A - Commercial and Standby alternating current
B - Feeder Distribution
C - Electrical Service Entrance
D - Branch Distribution
Page 2-14
D - ANSWER: What minimum separation should be maintained between a
cable pathway and a 10kVA transformer?
A - ≈150 mm (6 in)
B - ≈300 mm (12 in)
C - ≈600 mm (24 in)
D - ≈1220 mm (48 in)
Page 2-44
A - ANSWER What type of coupling is caused by electric fields?
