⚠️ IMPORTANT: Only connect Zap to P1 ports (RJ12). Connecting to HAN ports (RJ45) can damage your device.
The Sourceful Energy Zap is designed specifically for P1 ports with RJ12 connectors. Before purchasing or connecting your Zap, verify you have the correct port type.
Here's what you need to know about each connection type.
Supports most modern meters in Europe.
Countries where P1 ports are available and Zap shipping is supported:
🇦🇹 Austria* | 🇱🇹 Lithuania |
🇧🇪 Belgium | 🇱🇺 Luxembourg |
🇩🇰 Denmark | 🇳🇱 Netherlands |
🇫🇮 Finland | 🇵🇹 Portugal |
🇭🇺 Hungary | 🇸🇪 Sweden |
🇮🇪 Ireland |
|
* Work in progress to support encrypted data.
If you live in a country (not listed above) and can verify that your utility meter has an RJ12 or RJ45 port, please contact us at support@sourceful.energy. We would greatly appreciate your input in expanding our compatibility to new countries.
Standard P1 Connection (RJ12)
Most Common Configuration
Standard port interface (RJ12-port with 6-pin) on most modern smart meters.
Requires Zap for RJ12/P1 Meters.
Works immediately out of the box. No extra adapter needed.
The Zap draws all needed power directly from your smart meter - no external power supply needed.
Example of meters with Standard P1 port (RJ12)
Quick Port Identification Guide
✅ P1 Port (RJ12) - COMPATIBLE
Size: Small, like an old telephone jack
Pins: 6 pins (narrower connector)
Label: Usually marked "P1", "Customer Port", or "User Port"
Power: Provides power to the Zap - no external power needed
Cable: Uses the included RJ12 cable
❌ HAN Port (RJ45) - NOT COMPATIBLE
Size: Larger, like an ethernet/network jack
Pins: 8 pins (wider connector)
Label: Often marked "HAN", "HAN-port", or "Ethernet"
Power: Does NOT provide power
Warning: Higher voltage can damage the Zap if connected
Visual Comparison
P1/RJ12 Port (Compatible):
Width: ~9.5mm
Looks like: Old telephone connector
Cable fits snugly with a click
HAN/RJ45 Port (Not Compatible):
Width: ~11.5mm
Looks like: Internet/ethernet connector
RJ12 cable will fit loosely (DON'T FORCE IT)
Important Notes
The Zap does not require external USB-C power under normal circumstances. If you have connectivity problems to your wifi external power may help.
If you connect another p1 reader to the Zap output external power is required.
Ordering Guide
Standard RJ12 Port: Order Zap for RJ12/P1 Meters
Need Help?
Not sure about your meter's connection type? We're here to help. Send us:
A photo of your meter
A close-up of the available ports
Your meter's model number
Your location and utility provider