Wiring and Installation
Recommendations as to suitable types of wiring and cables are included in the British Standard together with minimum conductor sizes, It also indicates suitable cable types for monitored or non monitored circuits according to the type of installation. The Institution of Electrical Engineers Regulations for the Electrical Equipment of Buildings Regulations refers to the necessary segregation of fire alarm circuit wiring. Provision should be made for end line devices to be fitted, where necessary, for line fault monitoring.
Points to consider
- Conductor rating for alarm load and volt drop requirements
- Compliance with the British Standard and IEE Regulations for Segregation of Services
- Cable type and installations suitable for monitored or non monitored systems
- Earthing in accordance with the IEE Regulations
- Cables suitable for ambient air temperature
- Mains voltage power supply to control equipment in accordance with the Regulations
- For surface laid insulated and sheathed cables protection provided where mechanical damage or attack by rodents or where cables are installed less than 2.5 metres from floor
