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Card 485 of 9982026-08-29 issue

Observed arrival · 2026-08-29

Light Limits: The Christmas-Light Calculator That Checks the Limit No Breaker Sees

lightlimits.com Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A safety calculator works out both how many light sets can be chained and how much the household circuit can carry.

Landing page captured for the 2026-08-29 issue.

Field notes

The calculator models a display as both a series of chained sets and a load distributed across a household circuit, rather than treating “how many sets?” as a single number. Its examples use the relationship between voltage, current, and watts, including separate 80-percent working figures for 120 V and 230 V supplies. Regional sections also distinguish UK fused plugs from Australian and New Zealand unfused plugs.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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lightlimits.com

Landing page observed 2026-08-29. The live site may have changed.