![What is the meaning of electric vehicle PTC - Industry knowledge - Shenzhen Superb Heater Technology Co.,Ltd What is the meaning of electric vehicle PTC - Industry knowledge - Shenzhen Superb Heater Technology Co.,Ltd](https://www.superbheater.com/Content/uploads/202178957/20210402104827e724f91fa2e04d4cb3a0a0e3b46bff6c.jpg)
What is the meaning of electric vehicle PTC - Industry knowledge - Shenzhen Superb Heater Technology Co.,Ltd
![I ordered this ptc heating element online, and the picture showed a black and a red wire. The actual product just has two black wires. Is one of them positive and if I ordered this ptc heating element online, and the picture showed a black and a red wire. The actual product just has two black wires. Is one of them positive and if](https://preview.redd.it/9jaaj34aiyt11.jpg?auto=webp&s=fc5c2d3937db7d9fb75d3841366c4904260cc178)
I ordered this ptc heating element online, and the picture showed a black and a red wire. The actual product just has two black wires. Is one of them positive and if
![12V 24V 220V Aluminum PTC Heating Element, 70℃- 220℃ PTC 12v Heating Element 110v PTC Heating Element 150 * 28.5mm(12V 70℃) - - Amazon.com 12V 24V 220V Aluminum PTC Heating Element, 70℃- 220℃ PTC 12v Heating Element 110v PTC Heating Element 150 * 28.5mm(12V 70℃) - - Amazon.com](https://m.media-amazon.com/images/I/51BlccxcEeL._AC_UF894,1000_QL80_.jpg)
12V 24V 220V Aluminum PTC Heating Element, 70℃- 220℃ PTC 12v Heating Element 110v PTC Heating Element 150 * 28.5mm(12V 70℃) - - Amazon.com
![China PTC Heating Element Manufacturers, Suppliers, Factory - High Quality Custom PTC Heating Element - JAYE INDUSTRY China PTC Heating Element Manufacturers, Suppliers, Factory - High Quality Custom PTC Heating Element - JAYE INDUSTRY](https://www.jaye-heater.com/uploads/202324809/small/24v-ptc-heater7776dd2e-0547-4d98-882d-21c3592594e5.jpg)