Real ChatGPT answer · index seedrVywZPruxoYcompleteTelecom and utilities · electricity providersinformational
What engineering standards govern the installation of transient voltage surge suppressors at the main service entrance to protect against sudden power surges originating from substation faults?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What engineering standards govern the installation of transient voltage surge suppressors at the main service entrance to protect against sudden power surges originating from substation faults?
3 real searches · 1 real-search pass
NFPA 70 NEC 2023 230.67 surge protection device service entrance 242 UL 1449 IEEE C62.41.1 C62.41.2 standardsGoogle ↗
OBSERVEDInstruction
UL 1449 5th edition Type 1 Type 2 SPD service entrance IEEE C62.72 application guide surge protective devicesGoogle ↗
OBSERVEDInstruction
IEEE C62.41.1 C62.41.2 C62.45 surge environment low voltage AC power circuits standardGoogle ↗
OBSERVEDInstruction
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
NFPA 70 NEC 2023 230.67 surge protection device service entrance 242 UL 1449 IEEE C62.41.1 C62.41.2 standards Google ↗
UL 1449 5th edition Type 1 Type 2 SPD service entrance IEEE C62.72 application guide surge protective devices Google ↗
IEEE C62.41.1 C62.41.2 C62.45 surge environment low voltage AC power circuits standard Google ↗
- Regulations and Standards · nemasurge.org
- IEEE SA · standards.ieee.org
- IEEE Standards for SPDs · nemasurge.org
- IEEE SA · standards.ieee.org
- IEEE SA · standards.ieee.org
- CBSC_Errata_CEC_Pt2_01.01.2026 · dgs.ca.gov
- Chapter 6 - BUILDING CONSTRUCTION REGULATIONS | Code of Ordinances | Oceanside, CA · library.municode.com
- C & R 100 2025 California Codes 1/1/2026-12/31/2 · ci.oceanside.ca.us
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
NFPA 70 NEC 2023 230.67 surge protection device service entrance 242 UL 1449 IEEE C62.41.1 C62.41.2 standards OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
UL 1449 5th edition Type 1 Type 2 SPD service entrance IEEE C62.72 application guide surge protective devices OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
IEEE C62.41.1 C62.41.2 C62.45 surge environment low voltage AC power circuits standard OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 |