нужен перевод, гуглом и сама могу воспользоваться..)
1. Minimum Protection for Power Connections 120 V and More: Auxiliary panel
suppressors complying with requirements in Division 26 Section "Transient-Voltage
Suppression for Low-Voltage Electrical Power Circuits."
2. Minimum Protection for Communication, Signal, Control, and Low-Voltage Power
Connections: Comply with requirements in Division 26 Section "Transient-Voltage
Suppression for Low-Voltage Electrical Power Circuits" as recommended by
manufacturer for type of line being protected.