Extractor fans that don't need a fuse | Page 3 | on ElectriciansForums

Extractor fans that don't need a fuse

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Discuss Extractor fans that don't need a fuse in the Electrical Tools and Products area at ElectriciansForums.net

Baddegg said:
Thinks those only fuse the permanent line though?......
Click to expand...
Is that correct? I don't know.
I may be wrong but, without testing, something tells me it could be dangerous......the fan doesn't run on yet the unit is still live with the switch in 'on' position.
In other words, the fuse isn't fully isolating the unit.
 
No, if switched off the there is nothing live on the fan/load supply side, just like a DP switch. Only line is fused and isolated by the switch when you wire one - as per the diagram manufacturers usually supply with their fan instructions
 

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