Washington could enter a compact with other states to cast its 11 presidential electoral votes for the national popular vote winner, under a measure approved by the Legislature. The House passed the bill on a 52-42 vote Wednesday night. It now goes to Gov. Chris Gregoire, who has expressed support for the measure.

OLYMPIA — Washington could enter a compact with other states to cast its 11 presidential electoral votes for the national popular vote winner, under a measure approved by the Legislature.

The House passed the bill on a 52-42 vote Wednesday night. It now goes to Gov. Chris Gregoire, who has expressed support for the measure.

The compact has been ratified in Hawaii, Illinois, Maryland and New Jersey and is moving ahead in several other states. It wouldn’t take effect until enough states sign on to account for 270 electoral votes — the number it takes to win the White House.

The loser of the popular vote has won the Electoral College and become president four times, most recently in 2000, when George W. Bush defeated Al Gore.