spark-ref.com
spark-ref.com is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Netlify. cl0q first saw it on 2026-08-23 and last crawled it on 2026-08-23. It resolves to 99.83.231.61. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
NEC Reference & Calculators for Electricians | SparkRef
Free PWA by a 20-year IBEW electrician. Voltage drop, wire ampacity, conduit fill, and NEC articles — fast, offline-ready, NEC-cited. No App Store, no tracking.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-23 |
| Last crawled | 2026-08-23 |
| IPv4 | 99.83.231.61 |
| Network | AS16509 Amazon.com, Inc. · Washington |
| Language | en-US |
| Server | Netlify |