Parkworld 885750 NEMA 6-20 Extension Cord 6-20P to 6-20R (T Blade Female Also for 6-15R), 250V, 20A, 5000W (10FT) - Walmart.com
Tripp Lite Heavy-Duty Power Extension Cord with 20 AMP Breaker, 20A, 10AWG (NEMA L5-30P to NEMA L5-20R) 2-ft.(P043-002): Amazon.co.uk: Electronics & Photo
Cable Matters Outdoor Rated 12 AWG Heavy Duty 20 Amp Extension Cord Power Cable with LED Light in 25 Feet (NEMA 5-20P to NEMA 5-20R), Extension Cords - Amazon Canada
110V 32 Amp Extension Lead 14M Long x 4.0mm Cable - Protrade
Yellow Jacket 2991 10/3 Extra Heavy-Duty 20-Amp Premium SJTW Contractor Extension Cord with Lighted T-Blade Plug, 50-Foot All Copper Wire Extension Cord, 20 Amps, 125 Volts, 2500 Watts - Walmart.com
Extension Lead 13A 230V | Toolstation
BLUE HOOK UP EXTENSION CABLE 16 AMP 240 VOLT - 5M, 10M, 15M, 20 & 25M LENGTHS | eBay
MCG 1.5mm 230V 14m Blue Site Extension Lead (SEL1415 240V) | CEF
20m 110v 32amp extension lead 6mm cable IP44 rated