Page 62 - Testing Electronic Components
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Some switches have dual on/off contact and is called double pole single
throw switch (DPST). A DPST switch is often used to switch mains
electricity because it can isolate both the live and neutral connections.
Testing the DPST switch is relatively simple, test the contact at one time
before you test on the other contact. Testing method is the same just as
when you are testing the single on/off switch above. Look at the photos
and should understand what I meant.
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