>kick in door
>throw in a flashbang
>wait for it to go off
>rip power cables out of outlet
>run into room
>quickly try to locate power outlets before your battery runs out or the enemy recovers from the flashbang
>shoot the enemy
Also, squads are now two man strong, because it's unlikely for there to be more than four outlets per room without getting into the line of fire of a second door.