This question, about the testing of RCBOs in a large electrical installation, is answered by ABB (theme - Distribution Equipment).
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Question: I'm working on a large installation. The distribution board contains a large number of RCBO protected circuits. Can I perform RCBO tests at the distribution board and not at remote points on each circuit?
Testing at the distribution board would make this a one-man task.
Answer: Yes, the RCBOs can indeed be tested at the distribution board.
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