600 × 600
Source:https://www.ikea.com/us/en/p/patrull-safety-plug-white-20098958/
1200 × 900
Source:https://www.ebay.com/itm/283575476254
940 × 940
Source:https://www.simonelectric.com/intl/31432-67-schuko-socket-outlet-16a-250v-with-safety-device-and-screw-terminal-connection-red-simon-31.html
768 × 768
Source:https://www.walmart.com/ip/WIRESTER-1-Gang-Duplex-Outlet-Cover-Wall-Plate-Switch-Plate-Cover-Solid-Red/385368522
640 × 640
Source:https://www.ebay.com/b/Red-Home-Electrical-Outlets-Receptacles/259280/bn_7115834274
900 × 1600
Source:https://home.howstuffworks.com/how-to-understand-electrical-outlets.htm
300 × 300
Source:https://www.homedepot.com/p/Leviton-15-Amp-Hospital-Grade-Extra-Heavy-Duty-Self-Grounding-Duplex-Outlet-Red-8200-R/301361216
1365 × 2048
Source:https://m.facebook.com/redojeanscampobelo/
2560 × 1440
Source:https://diy.stackexchange.com/questions/172477/what-kind-of-electrical-outlet-is-this-red-winking-face-shape
1280 × 1280
Source:https://www.kyleswitchplates.com/red-gfci-electrical-outlet-15a/