The following system is not generally used
A. 1-phase 3 wire
B. 1-phase 4 wire
C. 3-phase 3 wire
D. 3-phase 4 wire
Answer:B
The following system is not generally used
A. 1-phase 3 wire B. 1-phase 4 wire C. 3-phase 3 wire D. 3-phase 4 wire