red or brown live, black or blue neautral, the live an neautral from your consumer unit into IN/FEED and the live and neautral to the shower into OUT/LOAD the earths go onto the bar thar will be running around the screw holes to be honest because of the high current that a shower pulls if your unsure i would get an electrician to do it should only take him 15 mins
simon
April 2010
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