What does SH stand for?

MLA style: "SH." Acronym Finder . 2012. AcronymFinder.com 3 Jun. 2012 http://www.acronymfinder.com/Switch-Hook-(SH).html
Chicago style: Acronym Finder . S.v. "SH." Retrieved June 3 2012 from http://www.acronymfinder.com/Switch-Hook-(SH).html
APA style: SH. (n.d.) Acronym Finder. (2012). Retrieved June 3 2012 from http://www.acronymfinder.com/Switch-Hook-(SH).html

Switch Hook

This definition appears very rarely and is found in the following Acronym Finder categories:

Other Resources:

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Stuff Happens (polite form) Stupid Hero (band) Subtract Halfword (IBM) Super Heat (steam) Superheavy Support Helicopter Supported Housing Surface Habitable (French: Living Space; measurement) Sweetheart (International Order of DeMolay) Switch Handler		Symphony Hamilton (Hamilton, ON, Canada) Shear-Horizontal Acoustic Plate Mode (also seen as SHAPM) Super Handling - All Wheel Drive Sitting Height to Height (ratio) Short Herbage and Scattered Faeces Ship's Serviceman First Class (Naval Rating) Shadow Hearts 2 (video game) Ship's Serviceman Second Class (Naval Rating) Silent Hill 2 (video game) Spyhunter 2 (video game)

Samples in periodicals archive:

A better and quieter solution is to click the release or switch hook button first and then put the handset down into place.

The phones have a precisely timed one-touch key that doesn't cut off callers, as the 1A2 switch hook sometimes did.