mostly talking about carbon steel pipe.(black pipe)
in piping there are different standards. ANSI. they dev. code b31
1. seamless (best pipe)
produced in single random(16'-20') and double random lengths (35'-40')
2. butt-welded pipe
Name Suzanne Wheeler
1. How many electrical loads can be placed in the control circuit of any one line between L1 and L2?
-no more than one load
2. How are the loads connected if more than one load must be connected in a line diagram?
*Pictorial Drawing-a drawing that shows the length, height, and depth of an object in one view
Symbol-a graphic element that represents a quantity or unit, used to represent electrical
components on electrical and electronic diagrams