This AC WORKS® brand adapter [ADL14301030] is very durable with a compact design.  It is a NEMA L14-30P to a NEMA 10-30R.  The NEMA L14-30P is a 30 Amp, 125/250 Volt, 4-prong locking plug.  The NEMA 10-30R is a 30 Amp, 250 Volt, 3-prong dryer outlet female connection. The product is heavy-duty and contains nickel-plated plugs and terminals to prevent rusting.  Included with your purchase is a 5-year limited  

Features

• NEMA L14-30P to NEMA 10-30R
• NEMA L14-30P, 30 Amp, 125/250 Volt 4-Prong Locking Male Plug
• NEMA 10-30R, 30 Amp, 250 Volt Dryer Outlet Female Connection
• Power Outage Electric Dryer Solution
• Nickel-Plated to Prevent Rusting
• Power Indicator Light
• 5-Year Limited Warranty

Common Uses

• 3-Prong Dryer
• EV Charging
• Emergency Power 

Downloads

We offer a  for proper usage of the grounding pin and ring terminal along with a video.