Have Questions?
Installer FAQs
Getting Started
Learn more about the Stepwise Tap and if it is the compatible for project
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The Stepwise Tap is a UL-listed dynamic load management device that sits between the panel and high-load appliances. It adjusts appliance draw in real time to prevent overloads.
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Tap works with 100–200A panels. It’s charger-agnostic and non-proprietary—use it with Wallbox, Tesla, Grizzl-E, Emporia, and more.
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Stepwise Tap is a UL-listed Energy Management System. When properly installed, it allows you to omit the EV load from NEC load calculations per Article 750.30(C).
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Stepwise offers real-time dynamic control, not just on/off logic. Plus, it's American-made and trusted by code inspectors.
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Because your customers want options. Stepwise Tap helps you win more bids by offering a faster, cheaper, code-compliant solution.
 
Using the Tap
How can the Tap be used and what are the requirements
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EV chargers, hot tubs, pool pumps, resistive HVAC, water heaters—anything high-load. Reach out if you have a unique use case.
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Install Tap between the panel and appliance. Connect the CTs for panel monitoring. Full installation guides are available at Stepwise Product Docs.
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No. Load control works offline. Wi-Fi is only needed for dynamic control (OCPP with Tesla) and firmware updates.
Learn more about WiFi on the Tap here
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Stepwise Tap is deal for:
Single-family homes with full panels
Small multi-families managing building + dwelling panels
Commercial EV charging with single phase power
Sites where underground service upgrades are cost-prohibitive
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On panel side monitoring: Up to 200A
On load side controls: 60A max (48A continuous)
 
Troubleshooting
Diagnose and resolve common problems with the Stepwise Tap after installation.
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Check for voltage on the LINE side of Tap. Also confirm your wiring matches the install guide.
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Make sure Tap’s current settings match the panel and charger specs. See our Breaker Trip Guide.
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Check if dynamic control is active and load availability is sufficient. Confirm EVSE compatibility with dynamic load management.
See support diagram here.
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Ensure Tesla is linked via OCPP and that Wi-Fi is connected. Reboot both Tap and vehicle if needed.
Additional dynamic control information can be found here
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Email support@getstepwise.com or call our installer hotline for specific support. You’ll also find quick links to the most commonly asked questions here.