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Green tag indicates ‘standard or preferred’ situation
Red tag indicates ’in maintenance’ or non-standard
situation
Yellow tag indicates ‘switching in progress’
Netherlocks strongly recommends the use of red, yellow and
green tags, according the ‘trac light principle’. Still, tag plates
can be delivered in alternative colors, following our customers
specications.
Key tag plates
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1
2 3
2
3
Basic principles