AC WORKS® Library — 4-prong connectors

AC WORKS® Wisdom: Differences Between 1430 and 1450

Posted by Christopher Hahn on Nov 28, 2018

In your home, there are two 4-prong outlets that often get confused because of how similar they look. These are NEMA 14-30R and NEMA 14-50R. The NEMA 14-30R outlet is used for a clothes dryer, while the NEMA 14-50R outlet is used for an electric cooking range. The 14-50 can also be found in use with 50 Amp RVs, high service generators, and nowadays EV charging. The only difference in appearance is that the neutral pin for NEMA 14-30R is “L” shaped, while the neutral pin for the NEMA 14-50R is “I” shaped like the other pins.As far as technical...

User Manual: 4-Prong Adapter User Manual

Posted by Stephanie Junek on Jul 17, 2018

If you have an older house, built before 1996 with a 3-prong dryer outlet, and are using a new dryer, with a 4-prong dryer plug. You can use part number S10301430-018 to power your dryer. Because the outlet you have does not allow your dryer to become grounded, our adapter also has that grounding solution for you.