<human>: Which of the following solutions is better for the following goal:
To attach a 12 volt DC adapter to the power wires inside the cordless drill.

OPTIONS:
- Cut the end of the adapter and strip the casing off using a pliers. Splice the stripped ends of the wires in the drill and the wires from the adapter by twisting both of them together. Cover with electric tape to prevent shorting out.
- Cut the end of the adapter and strip the casing off using a pliers. Splice the stripped ends of the wires in the drill and the wires from the adapter by twisting both of them together. Cover with masking tape to prevent shorting out.
<bot>: Cut the end of the adapter and strip the casing off using a pliers. Splice the stripped ends of the wires in the drill and the wires from the adapter by twisting both of them together. Cover with electric tape to prevent shorting out.