Bottlehead Forum

Bottlehead Kits => Legacy Kit Products => Stereomour => Topic started by: ptlud on January 29, 2015, 11:58:20 AM

Title: Amp Current Through 24AWG Wire
Post by: ptlud on January 29, 2015, 11:58:20 AM

It seems to me that a 24 gauge wire carrying all the current for the Stereomour amp is too small.  What am I missing?

Thanks,

Paul

Title: Re: Amp Current Through 24AWG Wire
Post by: fullheadofnothing on January 29, 2015, 12:02:32 PM

It's 20AWG wire.

Title: Re: Amp Current Through 24AWG Wire
Post by: Paul Birkeland on January 29, 2015, 12:02:47 PM

I wasn't aware that we supply 24 AWG wire with the Stereomour.

The maximum permissible current for chassis wiring with 24 AWG is 3.5A, which is more than any conductor carries in the Stereomour.

-PB

Title: Re: Amp Current Through 24AWG Wire
Post by: ptlud on January 29, 2015, 12:22:31 PM

The manual says the shielded twisted pair wire has two 24awg conductors.  This wire is used to bring AC current from the IEC plug to the switch and back to the power transformer.

Paul

Title: Re: Amp Current Through 24AWG Wire
Post by: braubeat on January 29, 2015, 01:39:18 PM

Here is the official table for allowable current vs. AWG.

http://www.powerstream.com/Wire_Size.htm

Michael

Title: Re: Amp Current Through 24AWG Wire
Post by: ptlud on January 29, 2015, 01:59:14 PM

Thanks.  I can sleep tonight.

Paul

Title: Re: Amp Current Through 24AWG Wire
Post by: Paul Birkeland on January 29, 2015, 02:43:58 PM

Ah, the shielded wire is 22 gauge, that's a typo in the manual.

Title: Re: Amp Current Through 24AWG Wire
Post by: Grainger49 on January 30, 2015, 08:34:15 AM

A good judge of what the STP carries is the fuse on the primary of the transformer.  That fuse will hold pretty much forever with the normal current that the amp draws.  It is also sized for an inrush at turn on.