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Case Modding
**WARNING** Construction of this relay box requires wiring of 240V lines, these wires not handled correctly can cause serious injuries including DEATH. The Garage takes no responsibility for any injuries or worse obtained by those individuals and/or parties that choose to follow these instructions**
Very few components are needed for this simple relay box...first up a 12vdc 10amp relay is required...these can be purchased from your local electronics story ie. Tandys, Dicksmiths, Altronics..etc etc They are available in several configurations the one I have chosen is DPDT a SPST could also be used if you like. Also they can be bought in a micro version I think its called, they are smaller and made to attach to a circuit board...The reason I chose this particular model is it is clear with a LED (you can also buy a craddle for the relay to sit in if you wish to go that way and do away with a box altogether) It cost me about $5 for memory. A couple of terminal connectors and a plastic project box all available from the store you get your relay from!

OK..(picture left) here it is all assembled... lack of forsight I didn't put anything well known next to it when I took the picture to give you all an idea of the size, needless to say it is a little larger than your average match box !

Lower left terminal connector is for the 12v positive and negative leads in ..I have attached a lead from the hard drive to it. Top left connector is 240volt in. I have added a 240 volt line to my PSU that goes directly to the relay box. The connector to the right is 240v out this obviously connect to th pump

Top two pics sho the ends and the openings to the terminal connectors I have dremeled...The left picture you can also see I have dremeled an opening for the relay to pop its lil' head through hehe...LED lights up when relay is activated. Obviously you don't have to go to these lengths, the relay is small enough to mount out of sight in you PSU if this is what you prefer :-)

I have put a 4 picture set together with text (see below pic) wich clearly explains the wiring of the relay for those a little like me that are quite clueless when it comes to even the simplest of electronics :-)

As can be seen in the lowest right picture the wires have been soldered to the appropriate relay pins...extremely easy but always be very very careful as the 240v lines can cause serious injury & in worst scenario death!

Thats about it for the case mods thus far...Been so bloody hot in Western Australia the last week...today we created a new Autumn record hit 40.9 degrees today!!! Humid as hell too, so I have been "trapped" in The Garage so to speak and haven't ventured out of my airconditioned haven to my workbench...32 on the cards for tomorrow so I hope to get a little more done then...Pages will be updated at such times the mods are completed and pictures are taken.