When replacing a battery: Technician A says the negative battery cable should be connected first, then connect the positive battery cable. Technician B says the negative battery cable should be disconnected first, then disconnect the positive battery cable. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because when disconnecting a battery, the negative cable should be removed first to prevent the risk of short-circuiting by accidentally grounding a tool on the car's body. When connecting a battery, the positive cable should be connected first, followed by the negative to minimize the risk of sparking.

When Replacing a Battery: Technician a Says the Negative Battery