US 9,812,819 B2
Power cord
Takashi Kawamoto, Mie (JP); Maki Kondou, Osaka (JP); Ryota Tomiyama, Mie (JP); and Koji Yamato, Mie (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed on Dec. 15, 2014, as Appl. No. 14/571,116.
Claims priority of application No. 2013-257874 (JP), filed on Dec. 13, 2013.
Prior Publication US 2015/0171568 A1, Jun. 18, 2015
Int. Cl. H02H 5/00 (2006.01); H01R 13/66 (2006.01); H01R 13/713 (2006.01); H02H 3/08 (2006.01); H02H 5/04 (2006.01)
CPC H01R 13/6683 (2013.01) [H01R 13/7137 (2013.01); H02H 3/085 (2013.01); H02H 5/043 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A power cord comprising:
a plug including a plurality of plug pins which are adapted to be respectively inserted in plug pin insertion holes of a power socket and connected with the power socket, and a plurality of PTC (Positive Temperature Coefficient) thermistors, at least one of which is provided for each of the plug pins to detect a temperature of the corresponding plug pin; and
a load connection portion to be connected to a load,
wherein the PTC thermistors form one series circuit, and
wherein the power cord further comprises a shut-off device configured to turn off power supply to the load connection portion from the plug pins when a resistance value of the series circuit is equal to or higher than a predetermined value.