T-515R-LD can prevent get loose; Just a slight turning that made the plug locked.
It was used in type A plug and type B plug which have Hole pins.
JT-515R-L is safe and secure for Certificating to PSE.
Product Item : JT-515R-LD
Poles: 2 Pole
Wires: 3Wire Grounding
Rated Current: 15Amp
Rated Voltage: 125Volt, AC
Dielectric Voltage : 1250V AC 1 minute
Insulation Resistance : over 100MΩ at 500V DC
Flammability: 94V-0~1
Environmental Certification: RoHS approved
Delivery Way - Date Of Delivery: Depend on your order
Manufacture: Made in Taiwan