[Avodah] electricity on shabbat

[Micha Berger]

On Sun, Jan 10, 2010 at 12:52:54PM -0500, David Riceman wrote:
: Micha Berger wrote:
: >2- don't think the CI's boneh was about battery devices; only those that
: >plug into an ohel.

: If I correctly understand Rabbi Auerbach's description of Rabbi 
: Karelitz's opinion (which I sincerely doubt I do) it is that electric 
: current induces a qualitative change in the wire it flows through.  I 
: don't see how the current being drawn from a battery would affect that.

I thought that was the "bishul" argument. In any case, most batteries to
not push 120v, and therefore what it does to the wire is less significaant
-- barring wires designed for it, like a flashlight bulb filament.

I understood the CI as considering plugging something into the wall to
be adding to your home, thus the assumption that we're dealing with
plugs only.

Tir'u baTov!
-Micha

-- 
Micha Berger             A pious Jew is not one who worries about his fellow
micha at aishdas.org        man's soul and his own stomach; a pious Jew worries
http://www.aishdas.org   about his own soul and his fellow man's stomach.
Fax: (270) 514-1507                       - Rav Yisrael Salanter