The cause of damage to the lead sheath of a cable is
A. crystallization of the lead through vibration
B. chemical action on the lead when buried in the earth
C. mechanical damage
D. all of the above.
Answer:D
The cause of damage to the lead sheath of a cable is
A. crystallization of the lead through vibration B. chemical action on the lead when buried in the earth C. mechanical damage D. all of the above.