Can you safely disconnect a PV system in a fire situation?
Safely disconnecting a PV system in a fire situation should ideally result in DC currents and voltages reduced to levels which are no longer hazardous to firefighters. However, this would require isolation of each individual module with a micro-inverter or by DC switches controlling a limited number of modules in a string.
Are fire test results enough for PV panels?
Fire test results for the panels alone are not enough as an increasing number of mounting systems made from plastics are on the market. There are no harmonized standards for cables used in PV installations; however, fire test results and flame retardant characteristics of the cables need to be considered as well.
Which PV cables should be used for outdoor applications?
8. Only PV cables suitable for outdoor applications (moisture and UV resistant) should be used. Protecting cables from severe weather conditions and sunlight helps to slow down the aging process and thus minimizes the risk of hot spots and arcing.
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