statter:
Sound can travel long distances so the noise could have travelled but if the trunking is full this would be less likely.
Why not put a thermal camera on the area in question? That would highlight hot spots.
Alternatively you could check conductor integrity by measuring volt drops on each conductor under load on the circuit and comparing to calculated values. That coupled with decent insulation resistance test results should highlight major issues.
Good idea re- the volt drop test, - trunking is really full, so was surprised if the sound would travel so far, I was expecting that the cable may have been damaged from new cables being added, but there's nothing new in that area.
statter:
Sound can travel long distances so the noise could have travelled but if the trunking is full this would be less likely.
Why not put a thermal camera on the area in question? That would highlight hot spots.
Alternatively you could check conductor integrity by measuring volt drops on each conductor under load on the circuit and comparing to calculated values. That coupled with decent insulation resistance test results should highlight major issues.
Good idea re- the volt drop test, - trunking is really full, so was surprised if the sound would travel so far, I was expecting that the cable may have been damaged from new cables being added, but there's nothing new in that area.
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