The Outdoor Plus · Installation
The Outdoor Plus Low Voltage (-E12V) 12V Electronic Ignition Install
The 12V Low Voltage system (-E12V) pairs TOP's ignition with a 12V landscape-lighting transformer — so your fire pit runs on the same power rail as your path lights and uplighting. Poolside-rated. Smart-switch compatible. Install is about 90 minutes once the transformer is on-site.
By Ash · Updated November 8, 2026
What you need
- 12V DC landscape-lighting transformer (60W minimum for a standard pit)
- Low-voltage wire (10 or 12 AWG for runs over 50 ft)
- Wire nuts rated for low voltage outdoor use
- Soap-water leak test, standard gas tools
Step by step
Size the 12V transformer for total load
A standard TOP -E12V draws ~12W at peak. Add that to your existing landscape load. If the transformer is at 80%+ capacity, upsize. Transformers under 60W total can brown out under the spark draw.
Run the 12V supply to the pit control box
Low-voltage wire from the transformer to the pit enclosure. 10 AWG if the run is over 50 feet. Weatherproof the splice with gel-filled or heat-shrink connectors.
Connect the control box to supply
The -E12V control box has +12V and ground terminals. Match polarity (positive to center conductor per the manual). Reverse polarity won't damage the control but it won't spark.
Gas supply, leak test, media
Standard procedure — see the general reference.
Power-on test
Transformer ON, verify the control box LED (if equipped) glows steady. Flip the ignition switch — spark cycle runs, flame catches, thermocouple holds. Lockout behavior is the same as Plug & Play if the sequence fails.
Common mistakes
- Undersized transformer. 60W minimum for a single pit with no other load. Add 12W per pit on a multi-feature run.
- Reversed polarity at the control. No spark. Swap the wires at the terminal block.
Hands-on tips
- If you add TOP's WiFi Smart Switch, the -E12V integrates with Alexa / Google Home voice control. The install manual for the Smart Switch lives alongside the general -E12V manual.
- Keep the transformer location dry and ventilated — they fail faster under rain cover than in open air.
Questions people ask
Can I share a transformer with my landscape lights?
Yes — size it for the combined load. The -E12V is designed to integrate on a standard 12V landscape bus.
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