<sod>A ceiling-mounted [[light fixture]] was installed in each room, usually controlled by a single [[switch]] mounted near a door.  At most, one [[Electrical outlet|outlet]] was installed per room, since plug-connected appliances were expensive and uncommon.  Wiring was performed using type [[Electrical_wiring_in_North_America#Wiring_methods|NM]] nonmetallic [[wikt:sheathed|sheathed]] [[cable]], insulated with [[asbestos]]-reinforced [[rubber]] covered with [[jute]] and [[tar]].<eod>
<sod>A ceiling-mounted [[light fixture]] was installed in each room, usually controlled by a single [[switch]] mounted near a door.  At most, one [[Electrical outlet|outlet]] was installed per room, since plug-connected appliances were expensive and uncommon.  Wiring was performed using type [[Electrical_wiring_in_North_America#Wiring_methods|NM]] (nonmetallic) [[wikt:sheathed|sheathed]] [[cable]], insulated with [[asbestos]]-reinforced [[rubber]] covered with [[jute]] and [[tar]].<eod>