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All cables and leads must be complete, undamaged, insulated and adequately
dimensioned. Loose connections, scorched, damaged or inadequately dimen-
sioned cables and leads must be repaired/replaced immediately.
Do not sling cables or leads around either the body or parts of the body.
The electrode (rod electrode, tungsten electrode, welding wire, etc) must
- never be immersed in liquid for cooling
- never be touched when current is flowing.
Double the open circuit voltage of a welding machine can occur between the
welding electrodes of two welding machines. Touching the potentials of both
electrodes at the same time may under certain circumstances be fatal.
Arrange for the mains and device supply to be checked regularly by a qualified
electrician to ensure the PE conductor is functioning properly.
The device must only be operated on a mains supply with a PE conductor and
a socket with an earth contact.
If the device is operated on a mains without a PE conductor and in a socket
without an earth contact, this will be deemed gross negligence. The manufac-
turer shall not be liable for any damage resulting from such improper use.
If necessary, provide an adequate earth connection for the workpiece.
Switch off unused devices.
Wear a safety harness if working at height.
Before working on the device, switch it off and pull out the mains plug.
Attach a clearly legible and easy-to-understand warning sign to the device to
prevent anyone from reconnecting it to the mains and switching it on again.
After opening the device:
- discharge all components holding an electric charge
- ensure that all components in the device are de-energised.
If work on live parts cannot be avoided, appoint a second person to switch off
the main switch at the right moment.
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