This product has been discontinued and is no longer available to buy. Please see our alternative product: Ei161RC - Ionisation Smoke Alarm with Lithium Backup Battery & Interconnect.
Ionisation smoke alarm with hush button and a 10yr+ rechargeable lithium backup cells with mounting plate and surface mount kit for use with the Modifire system (Ei152 & MCP400):
This is the technical data for the Mains Ionisation Smoke Alarm with 10 year Rechargeable Lithium Cells - Ei161R.
The following technical data sheets are available for this product:
Q. How do you wire in the Ei140/Ei160 series of smoke alarms?
A. To wire the units correctly you would use 2 core and earth cable to the first unit and 3 core and earth to the interconnected units. The alarms do not have to be earthed but a brass screw connector is provided so that the earth can be safety terminated.