Terminal clamp without housing

A terminal clamp, comprising:

• a contact cage including a cage ceiling, two cage side walls respectively adjoining the cage ceiling at a respective side and a cage floor, wherein the cage ceiling, the cage floor and the two cage side walls form a portion of a cage jacket;
• a spring element which forms a clamping device together with a reaction bearing formed by the cage ceiling, the clamping device configured to support and electrically contact an electrical conductor;
• a conductor insertion opening arranged at a face of the contact cage upstream of the clamping device in a conductor insertion direction;
• a cage jacket cutout in the cage jacket configured to provide access to the spring element for an opening tool configured to adjust a position of the spring element relative to the reaction bearing and to open the clamping device,
• wherein the cage jacket cut out is formed by an opening in the cage ceiling through which the opening tool is insertable for a direct or indirect access to the spring element.