15 Common Intercom Wiring Mistakes
Avoid intercom wiring mistakes involving 2-wire systems, IP systems, locks, relays and monitors.
Common mistakes
- 1Confusing IP and 2-wire topology: document the issue, correct the design and update the as-built notes.
- 2Forgetting separate lock power: document the issue, correct the design and update the as-built notes.
- 3Wrong relay output: document the issue, correct the design and update the as-built notes.
- 4No exit button plan: document the issue, correct the design and update the as-built notes.
- 5No app/network check: document the issue, correct the design and update the as-built notes.
- 6Poor monitor addressing: document the issue, correct the design and update the as-built notes.
- 7No lock timing test: document the issue, correct the design and update the as-built notes.
- 8No gate input confirmation: 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.