GB
should take additional protective measures.
The electrical resistance of a particular shoe type can be impaired by bending, dirt or
moisture. When worn under wet conditions, this shoe will not fulfill its predetermined
function. Thus, it is necessary to ensure that the product is capable of fulfilling its
predetermined function of discharging electrical charges and of providing protection
throughout its useful life. It is therefore recommended that the user conducts an on-site
test of electrical resistance at regular intervals.
Category I shoes may absorb moisture over a longer wearing period and may be
conductive under moist or wet conditions.
If the shoes are worn under conditions in which the material of the soles is contaminated,
the user should check the electrical properties of his shoes each time before entering a
hazardous area.
In areas where antistatic shoes are worn, the floor resistance should be such that the
protection function provided by the shoe is not nullified.
With the exception of socks, no insulating materials should be inserted between the
inner sole of the shoe and the foot. If an insert is placed between the inner sole of the
shoe and the foot, the electrical properties of the shoe/insert should be checked.
Inlay soles: Safety shoes and occupational footwear manufactured and delivered with
inlay soles were tested in this condition and meet the requirements of the standard
in effect. When the inlay sole is changed, the shoe only retains its tested protective
properties when the inlay sole is replaced by a comparable inlay sole of the shoe
manufacturer with identical design.
Safety shoes and occupational footwear, which need to be modified orthopaedically, may
only be modified with inlay soles and materials which are certified by the manufacturer.
The manufacturing instructions of the manufacturer have to be followed.
Note: The insertion of inlay soles that are not identical in design may result in the
safety shoe or occupational footwear no longer meeting the respective standards. The
protective properties may be impaired.
Safety shoes and occupational footwear manufactured and delivered without inlay soles
were also tested in this condition and meet the requirements of the respective standard
in effect.
Note: The subsequent insert of an inlay sole can impair the protective properties of the
shoe.
14
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