Verify isolation and zero energy before work begins.
Part of a series of 'Rule in a minute' Life-saving rules videos.
Visit IOGP's Life-saving rules hub at [ Ссылка ]
![](https://i.ytimg.com/vi/No__JFoPXPM/maxresdefault.jpg)
Verify isolation and zero energy before work begins.
Part of a series of 'Rule in a minute' Life-saving rules videos.
Visit IOGP's Life-saving rules hub at [ Ссылка ]