0605 Stairway lighting
0606 How 3-way switches work
0607 Potlights in insulated ceilings
0608 Use proper bulbs for potlights
0609 Poor heat lamp locations
0610 Isolating links needed on pull chains
0611 Reversed polarity
0612 Importance of correct polarity with light fixtures
0613 Wrong-type receptacle
0614 Ground-fault interrupter
0615 GFIs can protect ordinary outlets downstream
0616 Wiring for multi-wire branch circuits |  0617 Load miser
0618 Bathroom outlets and switches
0619 Outlets near basins
0620 Outlets should not be above electric baseboard heaters
0621 Outlets in floors or countertops
0622 Garage outlets should be at least 18 inches off the floor
0623 Old push-button switches are obsolete
0624 Furnace switches
0625 How 3-way switches work
0626 Garbage disposal switches
0627 Garbage disposal wiring |
