61-955 | Ideal Sure Trace 955 Cable Tracer Kit CAT III 600 V, Maximum Safe Working Voltage 600V | RS
Amprobe BT-250/KIT High Voltage Circuit Breaker Tracer for Electrical Systems from 90-250 VAC, with ST-102B AC Electrical Socket Tester, 110-125V | OMNICONTROLS
File:AC-47 tracers over Saigon 1968 (colour).JPG - Wikimedia Commons