Item Type: Locking Plug <br>Model: NEMA L21-30 <br>Applicable Voltage: 120/208V <br>Rated Current: 30A <br>Ambient Temperature: -20~50 (℃) <br>Shell Material: PA66 Plastic <br>Contact Material: Brass <br>Contact Resistance: R1≤50MΩ <br>Insulation Resistance: R2≥500MΩ <br>Plugging Life: More than 20,000 times.<br>1、Stable to Use: This locking plug can withstand a high voltage up to AC 2500V 50HZ-60HZ, works with great stability. <br>2、Brass Contact: Brass material has good electrical conductivity, so the contact enables easy plugging and unplugging. <br>3、Broad Utility: Allows for wide applications on various electrical applications, such as dryer, generator and so on. <br>4、Good Material: The utilization of high quality PA66 plastic material makes the sturdy shell very durable with wearing. <br>5、Easy to Install: Light in weight and compact in size as well, the installation can be quickly completed in minutes.Pay attention to electricity safety when using.1 x Locking Plug