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(B) Control and Signal Purposes
Related Code Sections
(B) Special Equipment, Control and Signal Purposes
Collector rings for control and signal purposes shall have a current rating not less than 125 percent of the full-load current of the largest device ...
National Electrical Code 2020 of Minnesota > 6 Special Equipment > 675 Electrically Driven or Controlled Irrigation Machines > 675.11 Collector Rings > (B) Control and Signal Purposes
725.41 Special Conditions, Class 1 Circuit Classifications and Power Source Requirements
remote-control and signaling circuits where they are used for remote-control or signaling purposes and comply with the power limitations of 725.41(B ...
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18.104.22.168 Emergency Communications Systems (ECS),
feature or with an approved or listed external controller) for a signal to control the facility's fire alarm system for the purpose of deactivating ...
National Fire Alarm and Signaling Code 2016 of Minnesota > 24 Emergency Communications Systems (ECS) > 24.5* In-Building Mass Notification Systems > 24.5.25 Public Address (PA) System Interface With Facility Fire Alarm System > 22.214.171.124
126.96.36.199 Definitions, Household Fire Alarm System
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National Fire Alarm and Signaling Code 2016 of Minnesota > 3 Definitions > 3.3 General Definitions > 3.3.103 Fire Alarm System > 188.8.131.52 Household Fire Alarm System
10.2 Fundamentals, Purpose
The purpose of fire alarm and signaling systems shall be primarily to provide notification of alarm, supervisory, and trouble conditions; to alert ...