Example: barber
The Complete Consumer Unit - SCOLMORE
- is the lightning ground flash density (flashes per km² per year) relevant to the location of the power line and connected structure (see figure 44.2). If the CRL value is less than 1000 then SPD protection should be installed. If the CRL value is 1000 or more then SPD protection is not required. Covers Overvoltage . Control (443.5) www ...
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