Commercial Electric 15 Amp 3-Outlet Grounded AC/DC Adapters, White LA-10 - The Home Depot

This small grounded tap is convenient to carry and great for any home place. It can safely converts a standard wall outlet into 3 outlets. Space saving grounded design permits furniture to sit closer to walls.

Commercial Electric 6-Outlet Wall Mounted Surge Protector, White

GE 3-Outlet Extender, Grounded Wall Tap, 3-Prong

Leviton T5325-W Duplex Grounding Tamper-Resistant Straight Blade

What happens if you cut the third prong off a plug to use it with

GE Indoor Office Extension Cord, 15 Ft Power Cable, 3 Grounded

EverElectrix 2 Pack 4.8A Wall Outlet with USB Ports 15Amp Duplex

Leviton 15 Amp Polarized Light-Duty Connector, White R52-00102-0WP

DEWENWILS 6-Outlet Power Strip Surge Protector, 15FT

Prime Wire & Cable EC930706K 6-Foot 14/3 SJT 3-Outlet

Adapters & Splitters at

ELEGRP 15Amp 125-Volt 2-Prong to 3-Prong Triple Outlet Grounding

Eaton 15-Amp 125-volt Commercial Duplex Outlet, White (10-Pack) in

AC WORKS 1.5ft NEMA 10-30P to NEMA 14-30R 30-Amp 3-wire To 4-wire