400 Hz AC Plugs, BC Technology Pte Ltd

Tesla™ Industries Inc TI2005-400 Cobra™ 400Hz Aviation Plug

This 2-Outlet 57-Watt USB-C Power Pad features two AC power outlets, one USB Type-C port, and two USB Type-A ports. The AC outlets support up to 10 amps/1250 watts of power to connected AC devices. It features a 5-foot long power cord, so you can easily place it on your desk, floor, or counter. Size: 3.7 x 2.4 x 1.6.

Monoprice USB-C Power Strip Pad 2 Outlets and 57W 3 USB (2x 12W USB-A 1x 45W Usb-c) with 5-Foot Extension Cord Compact Travel Size for MacBook Pro

400 Hz Single Jacket Cable Assemblies - Modular 400 Hz cable

Viking Electric

400 Hz plugs & sockets

What is a three-phase 220/400 voltage output connection? - Quora

Hertz 6.5″ SX165NEO Speakers + Metra BC-HDLFSP2 Lower Vented Fairings and Plug and Play Amplifier for 2014-2023 Harley Davidson® Street Glide Motorcycles with Factory Radio [ SX 165 NEO ][ BC HDLFSP2 ][ BCHDLFSP2 ] – Volunteer Audio

10,000 BTU Smart Wi-Fi Portable Air Conditioner, Cooling & Heating

EcoNose® - 400 Hz and DC Plugs - Anderson Airmotive

City Electric Supply

MSI MEG Z790 GODLIKE, E-ATX - Intel 13th/12th Gen - 26+2 Phases, DDR5, PCIe 5.0, 10G LAN, Wi-Fi 6E

Tesla™ Industries Inc TI2005-400 Cobra™ 400Hz Aviation Plug