Section 807-D - Locating source of fires in schools1. In all public and private school buildings having a central annunciator panel or fire alarm cabinet which displays a visual signal identifying any heat detector, smoke detector, or manually operated fire alarm box within the building which has been activated, there shall be provided as a part of or immediately adjacent to such panel or cabinet a chart or plan showing the specific location within the building of each such device.2. In the case of school buildings and additions to existing school buildings, the construction of which is commenced after September first, nineteen hundred seventy-three, any such panel or cabinet and such chart or plan within such building or addition shall be so located that the same may be read without entering the building.