This quick permit is to add notification to two existing rooms that are now to be focus rooms. The new devices are to be added to the existing circuiting in the area. No written review comments. Approval is subject to field measurement of the EOL voltage drop. For appliances with an operating voltage range of 16V – 33V, the minimum acceptable voltage is 19.6V with the AC power off. Any measurement below this voltage will be considered insufficient to run the NACs at the end of useful battery life of 20.4V. UL 864, Standard for Control Units for Fire Signaling Systems. The installing contractor shall have available at final inspection a voltage meter and measure end of line voltages; witnessed by the field inspector.No associated building permit.