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Subject:Ampacity was Re: Headlight Upgrade Double Check (fuses)
From:David Beierl
Date:Wed, 24 Oct 2012 22:22:14 -0400

>
>Wire Gauge and Ampacity of Automotive & Marine Primary Wire
>
>Taken from Beldens Catalog - As Specified by ASE
>As certified by Underwriters Laboratory
>
>Wire Gauge      Stranding       Ampacity        Corrected       Standard Usage
>10              19x23           30              n/a             30
>12              19x25           25              20              20
>14              19x27           18              14.4            15
>16              19x29           13              10.4            10
>18              not listed      10               8               8
>
>Corrected figure is for 4-5 conductors that are cabled, and is %80
>of rated current.
>
>Current carrying capacity is for 105c rated Automotive primary wire.

Borrowed from offroaders.com, since my Bosch manual has gone
walkies.  Note that the first figure given is for no more than three
wires bundled together; for more than that you have to de-rate as
shown in the subsequent column(s)

Yrs,
David