Garden lights back on in Totteridge, after a two-part fault.
A run of garden uplights went dark, then the floodlights tripped the next morning. We traced a damaged buried cable on the first visit and a tripped Lutron lighting module on the second.
A homeowner in Totteridge had a run of small garden uplights stop working. The next morning, the floodlights on the house went off as well. The garden lighting runs from a Lutron lighting control system.
At a glance
| Location | Totteridge, Barnet (N20) |
|---|---|
| Completed | September 2026 |
| Work | Garden lighting fault-finding |
| Property | Large detached house with garden lighting on a Lutron system |
| Time on site | Two visits (17 and 18 Sep 2026) |
| SEG team | Tom |
What we found
- Moisture had got into one of the garden junction boxes
- The small uplights are wired in series, so one fault takes out every light after it
- A damaged cable buried in the soil at one of the lights
- Next day: the Lutron module feeding the floodlights had tripped its 30mA protection. The same module also feeds two spotlight circuits in the top-floor bedrooms, so those and the floodlights being switched on together is the likely cause
What we did
- Dried out the wet junction box and reconnected it
- Bypassed the lights one at a time from the start of the circuit until the rest came back on, to pin down the faulty one
- Lifted the damaged cable, replaced the light (with a spare the homeowner had) and reconnected the lights we had bypassed
- Checked every light was back on before leaving
- Went back the next morning for the floodlights: checked the Lutron module and confirmed the lights were drawing the expected current, then reset the protection and confirmed the floodlights working
Equipment used
- Fluke T5 electrical tester
- Lutron HomeWorks QS lighting control (existing)
Need something similar in Totteridge? See garden lighting and call-outs, or electricians near Totteridge. Call 01727 238 999 or tell us about the job.
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From SEG’s job records and engineers’ photos. Customer details are kept private.
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