9
Always
DON‘T
Example of BOC rating plate
Check the rating plate on your machine.
All welding machines that comply with IEC 60974
or AS 60974 must have a rating plate similar to the
one shown. Welding machines draw some current
when idle (not welding) and a higher current
when welding. Effective rated primary current
(I
1eff
) combines the conductor heating due to
these two levels of current. I
1eff
is the maximum
rated effective supply current that determines
the minimum plug and input cable rating as well
as the minimum capacity of the input circuit that
the machine gets plugged into to safely operate
the machine. Look for the I
1eff
on the welding
machine’s rating plate and ensure that you have
the correct input circuit to support this power draw.
What if I don’t have a 240 volt 15 amp or
32 amp outlet?
If you don’t have a suitable power outlet, you
should contact a qualified electrician to advise
whether the wiring in your building will cater for
a 15 amp or 32 amp outlet. You may also need
to upgrade your circuit breakers and possibly
switchboard to suit. Failure to do this may cause
an electrical fire in the building which may
void insurances.
✖
Don’t risk damage to your machine or cause
tripping and/or fire by using the wrong
input current, cable or plug.
✖
Don’t tamper with plugs or file down earth
pins. Doing so will void warranty.
✓
Inspect cables and plugs regularly.
✓
Contact a qualified electrician for advice
and/or upgrade and, if needed, to replace
any damaged plugs or cables.
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