If a fire-rated downlight is installed in a ceiling system that differs from the tested assembly, the fire rating of the entire ceiling is potentially invalidated. This means:
- The ceiling may no longer comply with the NCC.
- A building certifier may refuse to issue a compliance certificate or occupancy permit.
- In a fire event, the ceiling may fail to contain fire for the required period, putting lives at risk.
- The building owner may be liable for rectification costs, which can be substantial.
- Insurance coverage may be affected if the installation is found to be non-compliant.
This is why assessment by an accredited person such as a fire assessor or building certifier is essential before installation proceeds.
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