This should be an easy question for someone so, i just bought a key switch with 4 posts and 2 positions so this is a change over switch so do posts 1&2 complete a circuit or does 1&3 complete a circuit (note they a nicely labeled 1-4) thanks your help will be appreciated.
Sorry can't tell from just looking and I don't have one in my stock of parts at the momement but if you email Jaycar they will usually answer within a day. If you are in a rush try the newsgroup aus.electronics someone there will have one and give you an answer. I will bet posts 1 and 2 are one set and 2 and 4 are another though.
DPST means double pole single throw, meaning you have 2 poles and one throw for each, why not go into the store where you bought it?
Alternatively Multimeters are quite easy to use, even if you start off with just the continuity setting, all you'd need to figure it out.
Or you could just get one of those light up Auto continuity testers.
der im pretty sure i figured it out and it follows the direction of the key ie north south, east west. thanks all for you comments and yes if i had multimeters on me id already know and not have posted in the first place.
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