Guides
Fire and security guides
Straightforward answers to the questions we're asked most, from our engineers.
Fire alarm categories explained
L1 to L5, M and P systems, and which one your building needs.
Read the guide →How often should a fire alarm be serviced?
Weekly tests, six-monthly servicing and the law.
Read the guide →Police response alarms and URNs
What a monitored intruder alarm needs for police response.
Read the guide →Fire alarm battery calculator
Free tool to size standby batteries for a fire alarm panel.
Read the guide →
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