|  | 8.8 | Design Practice No. 1: Wiring Plan for Ethernet Star Topology LAN
| 8.8.3 | Main building: second floor

Five additional potential wiring closet locations were identified for the second floor. They are marked on the plan of the second floor of the main building as G, H, I, J, and K.

1. Location G uses incandescent lighting. The door opens into the room and is not secured with a lock. The light switch is to the left of the door upon entering. Interior water lines run through the dropped ceiling space along the right cinder block wall. Fire-retardant paint covers all walls. There are four electrical outlets in the room.
2. Location H uses florescent lighting. The door opens out of the room and can be secured with a lock. The light switch is to the right of the door upon entering the room. The room does not have a dropped ceiling. The walls are of cinder block construction and are painted with a fire-retardant paint. There are five electrical outlets in the room.
3. Location I uses incandescent lighting. The door opens out of the room and can be secured with a lock. The light switch is to the right of the door upon entering the room. The room does not have a dropped ceiling. The walls are of cinder block construction and are painted with a fire-retardant paint. There are six electrical outlets in the room.
4. Location J uses florescent lighting. The door opens into the room and cannot be locked. The light switch for this room is outside the room on the opposite wall of the hallway. There is a dropped ceiling in the room. The walls are of cinder block construction and are covered with a fire-retardant paint. There are two electrical outlets in the room.
5. Location K can only be reached by passing through Room 212. The room has incandescent lighting and is used to store toxic chemicals for experimental purposes. The door opens out of the room and can be secured with a lock. The light switch is to the left of the door upon entering the room. The room does not have a dropped ceiling. The walls are of cinder block construction and are covered with a fire-retardant paint. There is one electrical outlet in the room.

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