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I plan on running a 240 volt circut on a 30 amp switch, I plan on using 10/3 cable and the total run will be maybe 90 feet. My question is I want three 240 volt outlets in series one 20 feet from the panel one40 feet and one about 90 feet. Can I run these in series ie: three outlets on the same...

Hi guys trying to find out what size steel I beam would be needed to hold a two ton hoist [powered]. I plan on never picking up anything over one ton probably much less, just like a large safety factor! The span is 19'6" over which the hoist will be on a trolly on the I beam.... Also what would...

Hi I am a newbie to this site and just built a 36 x40 car barn/garage and am still finishing it. It is shaped like moniter barn with a two story 20x36 center section 12 foot ceilings on 1st and 7 foot on second. The two sides are 8 foot at the walls and 12 foot near the center section they are...