Morris Products 89352 Generator Power Cord Sets, 40ft Length, 30A, 10/4C, L14-30 NEMA, 7.5Kw Max Input Generator Power Cord Sets - Outdoor-safe Generator Power Cord Sets. Generator Power Cord Sets features include: These generator power cord sets are designed for use with manual transfer switches, transfer panels, and power inlet boxes. Available In 20 Amp & 30 Amp