Safety
Adjustments
- As a general rule always switch off and unplug equipment before undertaking work
- When adjustments must be made to powered on equipment use a plug-in RCD
in the mains socket. Power will disconnect if more than 30mA flows to earth
- Use one hand only to make adjustments and ensure the other hand is not grounded.
Never provide a current path from one hand across your chest cavity
to your grounded other hand
- Remove watches, necklaces and other jewellery which might cause a short circuit