RE: 100/130W H4s Fuse Size?

["Shannon Fenton" <sfenton@amazon.com>]

Thanks!


Thank you for your time.
Shannon Fenton
Telecom Resource Management
Amazon.com
206.266.6736
sfenton@amazon.com 

> -----Original Message-----
> From: tiAn@usiw.net [mailto:tiAn@usiw.net]
> Sent: Thursday, August 31, 2000 8:06 PM
> To: Shannon Fenton; Scirocco List
> Subject: Re: 100/130W H4s Fuse Size?
> 
> 
> Remember the golden rule of second semester physics, P = IV
> 
> where  P = power (Watts)
>             I = current (Amps)
>             V = voltage (...  ;)
> 
> Since you know this is a (nominally) 12V system, V is fixed so P 
> and I vary
> inversely with each other.
> 
> For your 100W low beams, plug in as follows:
> 
> P (100W) = I(amp fuse needed)* V(12V)
> 
> and solve to get
> 
> I = P/V = 100/12 = ~8A
> 
> *Note: This is per lamp, you have two, right? So you need a 16 
> Amp fuse for
> the low beams. As a precautionary measure round DOWN and use 
> 15Amp fuses as
> I haven't got a line on 16's...
> 
> For your high beams substitute 130*2 for P, you get I = 22 =>use a 20A
> fuse.
> 
> HTH,
> 
> Christian
> 87 16V
> 
> 
> ----- Original Message -----
> From: "Shannon Fenton" <sfenton@amazon.com>
> To: "Scirocco List" <scirocco-l@scirocco.org>
> Sent: Thursday, August 31, 2000 7:42 PM
> Subject: 100/130W H4s Fuse Size?
> 
> 
> > Im upgrading my PIAA 80/100W H4s to 100/130W Hella Yellowstars. 
> What size
> > fuse should I be running? My lights are already relayed. Thanks.
> >
> >
> > Thank you for your time.
> > Shannon Fenton
> > Telecom Resource Management
> > Amazon.com
> > 206.266.6736
> > sfenton@amazon.com
> >
> >
> > --
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