Industrial Signs - Important RCD Test Labels IS7210OR (Roll 100)

“This Installation Is Protected” labels.

Message reads:
“IMPORTANT
This installation or part of it, is protected by a device which automatically switches off the supply if an earth fault develops. Test six-monthly by pressing the button marked “T” or “Test”. The device should switch off the supply, and should then be switched on to restore the supply. If the device does not switch off the supply when the button is pressed, seek expert advice”