Is there a fuse required at all? 
I think when the supply is from a type A plug, the fuse in the building
installation is enough, however abnormal/short circuit testing must proove
that there is no fire or other hazard.


----------
> From: Jackson, William L <[email protected]>
> 
> Good Morning List,
> 
> Does anyone know of any standards that provide guidance on where in-line 
> fuses must be located  in relation to the power switch;  1) before the 
> switch, that is connected to the EMI filter or line, or 2) after the
switch 
> ( to the load side)?  The power switch and and fuses (LN) are both on the

> front panel of an electronic drawer which primary power is 115VAC.  We
have 
> researched both the IEC 950 standard and the 1990 National Electrical
Code 
> book and found no clear guidance.  Also I would be interested in your 
> thoughts on the rationale or justification for location.
> 
> TIA
> Bill Jackson
> Product Safety
> Harris Corp
> RF Communications Div
> [email protected]

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