Hi Ken.
<< On the subject of TCF and waiving tests, lets say you were to waive a test
because its non-applicable. For instance, line conducted when the unit is
battery powered. Does this mean that you are required to go the TCF route?
>>
No.
The TCF route to compliance usually means that you don't use Standards
(usually because the equipment won't meet them), so there are no tests to
waive. The TCF has to describe the equipment in such terms that the
Competent Body will take responsibility for it's declared EMC performance,
and that the EMC characteristics are minimized. This invariably means
testing, but not to a particular standard.
To go the Standards Route to Compliance, if a test is not applicable or
relevant, then simply say so in your technical files which support your Self
Declaration. Note that the term 'technical files' is NOT the same thing as a
Technical Construction File - which is a reserved term described in the UK
Regulations, Part V, clause 43.
Chris Dupres
Surrey, UK.
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