When using the straight wire method to connect to a screw terminal, what should the terminal clamp make contact with?

In the straight wire method for connecting to a screw terminal, it is crucial for the terminal clamp to make contact with the bare wire. This allows for a direct electrical connection, ensuring that the current flows efficiently through the terminal. When the terminal makes contact with the bare wire, it creates a secure and reliable connection that minimizes resistance and potential overheating, which can occur if the connection is poor or improperly made.

Using the insulated wire instead would prevent electrical conductivity since the insulation acts as a barrier. Contacting the terminal cover could obstruct the pathway for current flow, while engaging with a wire connector would not establish a direct connection at the screw terminal itself, which is necessary for proper functionality. Therefore, ensuring the terminal clamp contacts the bare wire is essential for effective and safe operation of the electrical system.