Power plug protector assembly

A power plug assembly comprising:

• a protective casing having a cavity defined in the protective casing;
• a positive electrode prong terminal mounted in the cavity of the protective casing and extending out of the protective casing;
• a protecting assembly mounted in the cavity and having a bimetal contacting plate mounted in the protective casing and having
• a fixing end mounted securely in the cavity;
• and
• a free end being opposite to the fixing end and contacting the positive electrode prong terminal, wherein the bimetal contacting plate deforms and bends to make the free end separated from the positive electrode prong terminal when suffering sufficient heat;
• a negative electrode prong terminal mounted outside the protective casing;
• and
• a ground prong terminal mounted outside the protective casing,
• wherein the protective casing has a body, wherein the cavity is defined in the body;
• and a cover mounted on the body, covering the cavity and having a mounting board formed on the cover;
• a first mounting hole defined through the mounting board;
• and a second mounting hole defined through the mounting board;
• the negative electrode prong terminal extends securely through the first mounting hole;
• and the ground prong terminal extends securely through the second mounting hole.