21
INSTALLATION AND OPERATION MANUAL
25-16327-B November 2020 www.eaton.com
Section 1: System installation and design
Installing cabling
Once the backbox is mounted the next stage is to install the power and loop cables
and fit the glands .
External connections
Mains supply
The mains supply should be installed in accordance with the current edition of the
IEE wiring regulations . Connection to the mains supply must be via an isolating
device (e .g . an isolating fuse) reserved solely for the fire alarm system . The cover
should be coloured red and labelled “FIRE ALARM - DO NOT SWITCH OFF” . The
isolating protective device should be secure from unauthorised operation and ideally
installed in a securely closed box with a breakable cover .
An additional warning label should be provided, depending on whether:-
270.00
128.20
141.80
229.80
345.00
50.00
325.00
All Dimensions in MM