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31 What power adaptor do I need to use my Mac in another country? (Macintosh hardware)




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This article is from the Macintosh hardware FAQ, by Elliotte Rusty Harold elharo@shock.njit.edu with numerous contributions by others.

31 What power adaptor do I need to use my Mac in another country? (Macintosh hardware)

All Mac CPU's since the SE EXCEPT for the Classic and Classic II have
universal power supplies which work anywhere in the world. These
CPU's only need a common adaptor plug to match the Mac's plug to the
wall plug in the country in question. You can buy one in almost any
hardware store for about three dollars. The same is true of the Duo
docks, all Apple CD drives except the original AppleCD SC, all
external Apple SCSI hard drives and all Apple monitors except for the
12" RGB monitor and the 14" Basic Color Monitor.

Products without universal power supplies were typically sold in two
models, 110V/120V at 60 Hz for Japan and North America, 220V/240V at
50 Hz everywhere else. Thus depending on the origin and destination
the Classic, Classic II, Plus, 512KE, 512 and 128K Macs need an
adaptor plug and either a 220V/240V to 110V/120V grounded isolation
step-down transformer or a 110V/120V to 220V/240V grounded isolation
step-up transformer, NOT a voltage converter (at least not unless you
plan to use your Mac as a disposable egg fryer). The same kind of
transformer is needed by the 12" RGB monitor, the Basic Color
Monitor, StyleWriter, StyleWriter II, ImageWriter I, and LaserWriters
LS, NT, SC, IINT, IINTX, IIf, IIg, 300, 310 and the original AppleCD
SC.

The ImageWriter II, ImageWriter LQ, LaserWriter, LaserWriter Plus,
LaserWriter Pro 600 and 630, Apple Color Printer, Performa Display
and all Apple scanners have power supplies that are matched not just
to the voltage but also to the frequency of the host country's wall
current. These should not be used in a country with a different
power standard.

 

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