Representation tableau electrique Representation tableau electrique Source google image: http://1.bp.blogspot.com/-AXmQyVfwL5I/VC7erZcrBkI/AAAAAAAAAIk/OQLCpENxOKw/s1600/symbole%2Belectrique%2Bvoltm%C3%A8tre%2Bamperm%C3%A8tre%2Bwattm%C3%A8tre.jpg