15 Common Alarm Wiring Mistakes

Common mistakes

1. 1Wrong EOL resistor method: document the issue, correct the design and update the as-built notes.
2. 2No zone list: document the issue, correct the design and update the as-built notes.
3. 3Poor reed alignment: document the issue, correct the design and update the as-built notes.
4. 4PIR facing heat source: document the issue, correct the design and update the as-built notes.
5. 5No tamper testing: document the issue, correct the design and update the as-built notes.
6. 6Siren current not checked: document the issue, correct the design and update the as-built notes.
7. 7No battery test: document the issue, correct the design and update the as-built notes.
8. 8No monitoring path test: document the issue, correct the design and update the as-built notes.

How to avoid them

• Start with a system design guide.
• Use a cable or device schedule template.
• Use the relevant calculator before choosing hardware.
• Check the exact manufacturer manual before termination.
• Update the as-built drawing after commissioning.

Useful next step

Use the diagram selector or search to find the correct diagram for the system you are planning.