154 HEIDENHAIN Technical Manual MANUALplus 620
The following figure shows how a suitable working area could look in accor-
dance with IEC 61340.
1: Wristband with 1 MOhm grounding cable for grounding the person
2: Grounded connection for wristbands, floor mats, table mats etc. for
equipotential bonding
3: Dissipative shoes
4: Dissipative flooring or floor mat
An important part of the working area is a suitable working surface with a
wristband with 1 MOhm grounding resistance for personal grounding:
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