L5-30P 30A 125Volt Locking Plug to 5-15/20R 15/20Amp Household Outlet – AC Connectors
SBT-ADP-1: Plug Adapter, T-Blade; 15 Amp to 20 Amp, 120V
AC WORKS NEMA 5-15P to NEMA 5-20R 15-Amp 3-wire Grounding Single To Single Black Basic Compact Adapter in the Adapters & Splitters department at Lowes.com
Amazon.com: [4-in-1] 15 Amp Household AC Plug to 20 Amp T Blade Adapter,5-15P to 5-20R,5-15P to 6-15R,5-15P to 6-20R, 4 in 1 AC Power Adapter,15A 125V to 20A 250V Adapter : Tools
CERRXIAN 4 in 1 15 Amp to 20 Amp Plug Adapter, NEMA 5-15P to 5-15R Adapter,5-15P to 5-20R,5-15P to 6-15R,5-15P to 6-20R T-Blade Female Power Adapter(2-PACK) - Newegg.com
Smart Electrician® Black 15 Amp to 20 Amp T-Blade Plug Adapter at Menards®
VooDoo Cable Premium 20 amp to 15 amp IEC ... For Sale | Audiogon
Amazon.com: 1-FT 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable 12AWG Nema 5-15P to 5-20R,5-15P to 6-15R/20R 20-Amp to 15-Amp Plug-Adapter Cord,Heavy Duty 15A 125V to 20A 250V
3PACK) Nema 15 Amp to 20 Amp Plug Adapter ETL Listed NEMA 5-15P to 5-15/20R (Comb 20Amp T Blade) 15 Amp Household Plug to 20 Amp T-Blade AC Power Adapter - Walmart.com
AC WORKS® NEMA 5-15P to NEMA 5-15/20P T-blade Adapter – AC Connectors
Journeyman-Pro 4 in 1 Female T-Blade Adapter 15 Amp Household Plug to 20 Amp, 5-15P to 5-20R,6-15R,6-20R - 15A to 20A 125V, Window AC Wall Outlet adaptor. Easy to see Yellow. (1-PACK,