Joke Collection Website - Bulletin headlines - Is there a standard for "danger signs" used in power distribution cabinets?

Is there a standard for "danger signs" used in power distribution cabinets?

This sign is a warning sign of "beware of electric shock"

The national standard GB 2894- 1996 of People's Republic of China (PRC) replaced GB 2894- 1988 with safety signs.

Name of sign: Beware of electric shock.

English name: Danger! electric shock

National standard code: GB2894- 1996

Introduction:

Beware of electric shock

ISO 3864∶ 1984

No. B.3.6