{"product_id":"fire-alarm-system-design","title":"Fire Alarm System Design Guide","description":"\u003cp\u003eHow to design a fire alarm system from first principles: detector spacing, ceiling height corrections, call points, sounder levels, addressable loops and cable sizing. The rules are set out side by side from NFPA 72 and BS 5839-1, with worked examples and a pre-submission checklist for civil defence.\u003c\/p\u003e","brand":"Benchmark Guides","offers":[{"title":"Default Title","offer_id":48711864156372,"sku":null,"price":49.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/0459\/7972\/files\/BG-ELE-202_Fire-Alarm-System-Design_RevA.jpg?v=1789975251","url":"https:\/\/benchmarkguides.com\/products\/fire-alarm-system-design","provider":"Benchmark Guides","version":"1.0","type":"link"}