AC WORKS 15 Amp Household Plug to 20 Amp T-Blade Female Adapter

Conntek 20520-025 NEMA 5-20 Outdoor Extension Cord 20 Amps 125 Volts, 25 Feet

AC WORKS Heavy Duty Durable Extension Cord (25FT NEMA 5-20 20A 125V)

NEMA 5-15P to 6-20R Heavy Duty Electric Cable Plug Adapter

AC Connector S515520-012 1-Foot 12AWG 15 Amp to 20 Amp Plug Adapter Cord NEMA 5-15P to 5-15/20R(20Amp T Blade

Conntek 3FE515520 15 Amp U.S Elbow Plug to 20A Female Extension Cord, 3'

Conntek 30129 15A to 15/20A Plug Adapter

Yellow Jacket 2992 10/3 100-Foot Heavy Duty Extension Cord, SJTW T-Blade 20A Extension Cord

6-Feet (1.8Meter) Nema 5-20P Extension Cord, 12AWG Nema 5-20P to 5-20R Extension Power Cable,20Amp T Blade Male to Female Cable, Nema 5-20P to 5-15/20R Comb Adapter Cable

Hammond Manufacturing 1589H4G1 20 AMP POWER BAR, 4 OUTLETS

Leviton 16793 20-Amp, 120-Volt, Grounded, Compact Automatic Reset Right Angle GFCI, RoHS Compliant, Black