File:Types AC power sockets, standard polarity, wiring, voltage, current.jpg - Wikimedia Commons

By A Mystery Man Writer

AC power plugs and sockets - Wikipedia

NEMA connector - Wikipedia

Frontiers GC-MS/FID/EAD: A method for combining mass spectrometry with gas chromatography-electroantennographic detection

ClearCore Industrial I/O and Motion Controller Platform; $99

Wire Color Codes: Utilizing Wire Color Code Chart Standards

NEMA connector - Wikipedia

Electrical outlet Facts for Kids

Autel MaxiBAS BT506 Auto Battery & Electrical System Analysis Tool : Automotive

ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty]

A blue box which apparently receives standard AC current in back. Approximately 8 W x 4 H. Front panel has 2 power switches and banana plugs that presumably supply DC out. It

IEC 60320 - Wikipedia

AC power plugs and sockets - Wikipedia