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  1. 2

    Daisy chaining a single phase socket from a 3-phase socket

    Is there any restriction on daisy chaining a single phase commando socket from a 3-phase commando socket. I know it's common to daisy chain multiple sockets of the same phase...but I am not sure about mixing single and 3-phase. (The breaker and cable size is sufficient to allow this)...Thanks
  2. 2

    Load calculations for Fuorescent Lamps

    Can anyone advise on how to calculate the load current for 15 high frequency tube lights (116W / each fitting)...all on one circuit. Normally it would be: I= Power/Voltage. But for dicharge lamps I think there is a multiplication factor (not the power factor..some other) ...can anyone show...
  3. 2

    Fire alarm panel and detectors for a retail shop

    Can any one shed some light on what type of fire alarm/panel would be needed for a 270 sq.m retail food shop. How many sensors would I need, and what type ionisation/optical ? Is there some regulation about what size a shop needs to be before you need too install a fire alarm system ??
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