Car Fuse Box Fire


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Car Fuse Box Fire - answer 1 fuse panel fire the cause is was a short circuit condition on the in ing from the battery side of the fuse panel span class news dt jul 21 2005 span nbsp 0183 32 we had an electrical fire in a heater controller enclosure today where a 5 fuse was disintegrated the 5 fuse was in a block of 4 fuses from left to r engineering eng tips forums tek tips forums projectboard i have had car fuses catching fire instead of fusing made in china fuses found in dollar stores p div div class b algotextcarousel id ce carousel 1980573672 2 div id slideexp1 1617bac class b slideexp data wire i slideexp init b select i f selected o f active o data control id slideexp1 1617ba data appns serp data k 5380 1 data stk div class b overlay div id slideexp1 1617bachevrons prevbtn class btn disabled prev rounded bld data dir div class bg span span div div class vcac div style height 32px margin top 16px div.
class cr div div div div div div div id slideexp1 1617bachevrons nextbtn class btn disabled next rounded bld data dir div class bg span span div div class vcac div style height 32px margin top 16px div class cr div div div div div div div div class b viewport div class b slidebar id slideexp1 1617ba role list aria label please use arrow keys to navigate div class slide data dataurl data rinterval data appns serp data k 5361 1 tabindex 0 role listitem a href https eng tips viewthread cfm qid 129119 h id serp 5360 1 div class b insideslide div class b text fuses typically do that because the spring clips that hold them are sprung this causes the clip to run hot this oxidizes the clip material which leads to increased resistance of the clip to fuse connection which causes further heat increase etc etc read vicious circle finally an arc will begin 480vac is pretty good at sustaning an arc.
the arc may reach 10 000f 10 000f some major charing the first question would be are the fuses rated at 480 div div class b textcarouselfooter div div a div div class slide data dataurl data rinterval data appns serp data k 5363 1 role listitem a href https eng tips viewthread cfm qid 129119 h id serp 5362 1 div class b insideslide div class b text fuses are rated for 480 vac your ment seems reasonable even though the type of fuse block used does not have a spring so i would suspect that the fuse may not have been the correct size and may have been squeezed hard in its place causing the heat etc can anyone else confirm thanks div div class b textcarouselfooter div div a div div class slide data dataurl data rinterval data appns serp data k 5365 1 role listitem a href https eng tips viewthread cfm qid 129119 h id serp 5364 1 div class b insideslide div class b text actually loose connections.
are what generates heat ohmic drop dissipates power heat also check the connections at the fuse block for tightness of course if you had access to a thermal imager that would be the cat s meow to find ponents and connections that are heating up wheels within wheels in a spiral array a pattern so grand and plex time after time we lose sight of the way our causes can t see their effects div div class b textcarouselfooter div div a div div class slide data dataurl data rinterval data appns serp data k 5367 1 role listitem a href https eng tips viewthread cfm qid 129119 h id serp 5366 1 div class b insideslide div class b text if there was nothing left of the fuse how do you know it was the right voltage if i only had a dollar for every time i was told they didn t do anything wrong div div class b textcarouselfooter div div a div div class slide data dataurl data rinterval data appns.

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