Answer:
A. Split bolt connector.
Step-by-step explanation:
In order to splice two large wires at a point of server strain, one shall use a split bolt connector of rated for the amperage and voltage of the circuit involved.
The right rating shall avoid accident and ensure safety during handling of the wires.
The wires shall also determine which connector is to be used, for the case of copper, a copper split bolt connector shall be used.