Similar plugs I used in Germany. They're bigger than some of the others I have, but they have an extra outlet. It's generally well done.
2-Pack SYCON Wall Adapter - 3 Way Swivel Ungrounded AC Mini Plug Tap White
29 Review
SYCON 3 Way Wall Outlet Extender AC Adapter, 2-Prong Swivel Mini Indoor Wall Tap Power Outlet Extender Plug, White
39 Review
UL Listed Light Socket Polarized 2 Prong To 3 Prong Outlet Adapter W. Safety Seal Grounding Plug Converter + Waterproof Outdoor Extension Cord Plug Cover For Electrical Outlets
30 Review
Pink 15Ft 1875W Heavy Duty Extension Cord By FIRMERST
29 Review
β‘οΈ Sunpark LC-12014T (1) FC12T9 32W Circline (1) 2D 38W (1) FC16T9 40W Circline (1) FC9T9 30W Circline Lamp Compact Electronic Fluorescent Ballast with Circline Lamp Plug 120V
7 Review
π Robertson 2P20132 Quik-Pak: 10 Fluorescent eBallasts for 2 F40T12 Linear Lamps, Preheat Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSW234T12120 /A (Crosses to RSW240T12120 /B)
4 Review
π‘ Electronic FL Ballast ICN-4P32-N (Formerly ICN-4P32-SC) for 3-4 F32T8 F40T8 F17T8 Lamps, 120V/277V Compatibility
5 Review
π‘ Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
5 Review