Clamp apparatuses and components thereof for mounting solar panel modules

An end clamp comprising:

• an L-shaped element including:
• a flange, and
• an extension extending away from the flange;
• a first end cap configured to cover a left side of the L-shaped element;
• a second end cap configured to cover a right side of the L-shaped element;
• a U-shaped element that is accommodated under the flange such that the extension falls outside of the U-shaped element, the U-shaped element including:
• a first wall,
• a second wall, and
• a bridge connecting the first wall and the second wall;
• a nut that extends between the first wall and the second wall of the U-shaped element;
• a T-shaped connection member extending from the nut;
• and
• a fastener that engages the nut through a first aperture and a second aperture.

An end clamp comprising:

• an L-shaped element including:
• a flange,
• a first aperture through the flange, and
• an extension having at least one row of teeth, the extension extending away from the flange;
• a U-shaped element that is accommodated under the flange such that the extension falls outside of the U-shaped element, the U-shaped element including:
• a first wall including:
• an inside surface, and
• an outside surface configured to engage with a solar panel module;
• a second wall including:
• an inside surface, and
• an outside surface having at least one row of teeth configured to engage with the at least one row of teeth of the extension;
• a bridge connecting the first wall and the second wall, and
• a second aperture through the bridge;
• a nut having a multi-sided outer surface that extends between the first wall and the second wall of the U-shaped element wherein the inside surface of the first wall and the multi-sided outer surface of the nut engage planarly to prevent rotation of the nut, the nut including a first end and a second end;
• and
• a fastener that engages the nut through the first aperture and the second aperture.