When working with electrical components, always observe
the following five safety rules:
• Switch off and disconnect
Electrical equipment, components and other material are
to be switched off or disconnected by separating them
from live components (i.e. components which are receiving
a supply of electricity) on all poles and all sides.
• Secure against accidental switching on
All electrical equipment which has been switched off or
disconnected must be secured against being accidentally
switched on e.g. through human error or vibrations.
Lock the main switch with a padlock or remove the fuses.
Use all the mechanical locking devices provided.
Apply a warning notice in a clearly visible area for the
duration of work.
• Check absence of electricity
Use measuring instruments or indicators to ensure that
components are no longer live. Measure all poles against
one another and against the neutral conductor.
• Grounding and short circuiting
Always ground first. In low voltage equipment, short
circuit the capacitors. With high voltage equipment, short
circuit the high voltage wires and capacitors. Do not forget
to remove the grounding and short circuit bridges upon
completion of work.
• Cover and/or isolate neighboring live components
If there is any danger of accidental direct contact with
unprotected live components during work, or if it is
impossible to switch off or disconnect these components,
a suitable solid covering of insulating material should be
used to secure them against direct contact (rubber or
plastic sheets).
autocast universal
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230 Casting System Note on Maintenance Stand 1.9. 03 B 12
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