From: rcres@XXnewsguy.com   
      
   "J.B. Wood"  wrote in message   
   news:m4vtke$fqi$1@ra.nrl.navy.mil...   
   > On 11/24/2014 12:47 PM, gfretwell@aol.com wrote:   
   >   
   >> Dual element fuses are usually intended for motor loads. They have an   
   >> instant element that will respond to short circuit faults rated at   
   >> more than the nominal fuse size and a thermal element that will cook   
   >> off if you have a sustained overload. It allows the fuse to sustain   
   >> the start current without blowing but it will let go if that overload   
   >> continues.   
   >> You can go to the Bussman web site and see the curves for the various   
   >> fuses.   
   >>   
   > Hello, and thanks for the detailed follow-up.  All this started because   
   > the S-type 30 Amp plug fuse (with the internal spring) blew (I had a   
   > shorted-out lamp fixture).  My local hardware store only had the SL 30 amp   
   > S-type and substituting that appears to work but judging from your comment   
   > it may be subject to blowing more quickly than the original given certain   
   > conditions.  Sincerely,   
   >   
   > --   
   > J. B. Wood             e-mail: arl_123234@hotmail.com   
      
   It won't blow any quicker for general use, such as lighting, TV, etc. It's   
   more apt to blow if you have a heavy motor load such as a window A/C on the   
   circuit, but not smaller motor loads like a vacuum.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)