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In this case, before starting the welding procedure, an expert
must carry out an assessment in order to determine what steps are
necessary, in order to guarantee safety at work and which pre-
cautionary measures should be taken during the actual welding
procedure.
z Total of no-load voltages
When more than one welding power source is operated at the
„
same time, their no-load voltages may add up and lead to an
increased electrical hazard. Welding power sources must be con-
nected in such a way that the danger is minimised. The individ-
ual welding power sources, with their individual control units and
connections, must be clearly marked, in order to be able to identify
which device belongs to which welding power circuit.
z Using shoulder straps
Welding must not take place if the welding power source is being
carried e.g. with a shoulder strap.
This is intended to prevent:
The risk of losing your balance if the lines or hoses which are
„
connected are pulled
The increased risk of an electric shock as the welder comes into
„
contact with the earth if he/she is using a Class I welding power
source, the housing of which is earthed through its conductor.
z Protective clothing
At work, the welder must protect his/her whole body by using
„
appropriate clothing and face protection against radiations and
burns. The following steps must be observed:
Wear protective clothing prior to welding work
–
Wear gloves.
–
Open windows or use fans to guarantee air supply.
–
Wear safety goggles and face mask.
–
Gauntlet gloves made of a suitable material (leather) must be worn
„
on both hands. They must be in perfect condition.
A suitable apron must be worn to protect clothing from flying
„
sparks and burns. When specific work, e.g. overhead welding,
is required, a protective suit must be worn and, if necessary,
even head protection.
GB/IE/NI/CY/MT
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