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Electrical Testing

Former Community Member
Former Community Member
When coding any consumer unit or switchgear with a combustible (plastic) enclosure only when it is located under a wooden staircase or within a sole route of escape, a C3 is recommended. 


Does this recommendation signify that the overall rating of the install be satisfactory or unsatisfactory? 


I have been ticking Unsatisfactory for the general condition of the installation (in terms of electrical safety) AND the overall assessment of the installation in terms of its continued use! 


Is wrong wrong of me? Even though everything is perfect with results and the installation?
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    So this is where the difference between FI, LIM, and "just a note about something" are not 100 % clearly understood.


    Yes, I agree that Note 9 says "if you feel an FI might lead to C1 or C2 you should mark as unsatisfactory", but that clearly does not say that "FI can only be used where you have a suspicion of C1 or C2" or "FI always leads to unsatisfactory".


    At the end of the day, though, this is only guidance: none of the "coding" is a requirement of Chapter 65, it's one way of meeting it, but not the only way.
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  • 0
    So this is where the difference between FI, LIM, and "just a note about something" are not 100 % clearly understood.


    Yes, I agree that Note 9 says "if you feel an FI might lead to C1 or C2 you should mark as unsatisfactory", but that clearly does not say that "FI can only be used where you have a suspicion of C1 or C2" or "FI always leads to unsatisfactory".


    At the end of the day, though, this is only guidance: none of the "coding" is a requirement of Chapter 65, it's one way of meeting it, but not the only way.
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