Appliance Extension Cord - 3ft Heavy Duty Gray Extension Wire for Air Conditioner, Refrigerator, & All Major Appliances - 14 Gauge High Voltage 3 Prong Flat-End Appliance Cord, for Indoor use: Amazon.co.uk:
Tripp Lite Power Extension Cord, C19 to C20 - Heavy-Duty, 20A, 250V, 12 AWG, 6 ft. (1.83 m), Black - Critical Power Supplies
MyOfficeInnovations 15' Extension Cord 3-Outlet with Safety Covers Gray (22130)
Outdoor Extension Lead 10m Plug Socket Power Cable Extra Long Extension Cord 13 Amp Heavy Duty Outside Plug Socket Black