[Important Notes] 240V to 120V. 50 amp to 15/20 amp. Matching receptacles are NEMA 5-15R and NEMA 5-20R. [Important Notes] Unsuitable for NEMA 6-15R and NEMA 6-20R. Note: Nema 14-50P 50Amp 4-Prong male plug rated 50-AMP 240V. [Wide Compatibility] NEMA 14-50P male plug into RV or generator power socket used for most household tools and electrical appliances, disaster recovery, industrial use, refurbishment maintenance projects, RV camping. [Free Electrical Accessories] Comes with a finishing towel and carrying strap handle for easy to use & storage.