Cody Eakin had a goal and an assist for his first NHL points, Nicklas Backstrom added a goal and an assist, John Carlson scored on a late power play and Michal Neuvirth made 24 saves.
Alex Ovechkin added two assists for Southeast Division-leading Washington, which improved to 7-0-1 in its past eight meetings with Carolina.
Anthony Stewart scored on a deflection and Cam Ward stopped 27 shots for the Hurricanes.
CANADIENS 2, SENATORS 1
In Montreal, Erik Cole and Andrei Kostitsyn scored in the second period and the Canadiens beat Ottawa for their fourth consecutive victory.
Carey Price made 33 saves for rested Montreal, which had a six-day layoff before evening its record at 5-5-2 in the wake of the franchise’s worst start in 70 years.
Cole scored his third goal 13:55 into the second. Kostitsyn made it 2-0 with his fourth 3 minutes later.
SABRES 2, FLAMES 1
In Buffalo, Jhonas Enroth made 29 saves to lift the Sabres over Calgary.
Enroth, making his third start of the season, was steady throughout to improve to 12-3-2 in his career. He had his scoreless string of 107:39 snapped when Calgary’s Alex Tanguay scored early in the third period.
Making his second consecutive appearance after relieving ineffective starter Ryan Miller in Wednesday’s loss to Philadelphia, Enroth’s best saves came on consecutive chances from in tight by Flames forwards Matt Stajan and Tom Kostopoulos with 5 minutes to go in the first period.
Drew Stafford and Nathan Gerbe scored for the Sabres (7-5-0).
LIGHTNING 5, BLACKHAWKS 4 (OT)
In Tampa, Fla., Steven Stamkos posted his fourth career hat trick, Vincent Lecavalier scored at 4:06 in overtime and the Lightning beat Chicago.
Stamkos had three goals during a wild second period that featured each team scoring four times.
Lecavalier scored the game-winner from the low slot off a pass from Martin St. Louis, who finished with three assists.
Tampa Bay also got a goal from Brett Connolly.