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Job context lockedHarbor Tower · 277/480 V · 3Φ
Quick Lookup12 AWG · 180 ft · 20 A
Code answer1.8s
NEC 210.19(A)(1) · 12 AWG flagged at 180 ft
● Caught before the wire was pulled
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Lookup · live
Scenario12 AWG · 180 ft
NEC section210.19(A)(1)
ResultUpsize to 10 AWG
● Answered in 1.8s — cited to the section

Job context locks the spec

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  • The exact NEC 2023 section for any scenario, in seconds
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Flag caughtbefore the wire was pulled
CitedNEC 2023 · 210.19(A)(1)
SafeWire
Lookup flaggedHarbor Tower Phase 2 · lkp_0147
Quick Lookup

12 AWG copper at 180 ft on a 20 A circuit exceeds voltage-drop limits. NEC 210.19(A)(1): upsize to 10 AWG before the pull.

Lookup · 9:32am

Scenario12 AWG · 180 ft · 20 A
NEC section210.19(A)(1)
Job context277/480 V · 3Φ
ResultUpsize to 10 AWG
● Answered in 1.8s — no foreman call
How it works

From scenario to cited answer — without leaving the ladder.

You don't change how you work. Ask like you'd text the foreman — SafeWire answers with the section. Here's a real morning on site:

SafeWire
Job · Harbor Tower Phase 2
live
7:04am · job context
Jake · apprenticeStarting Harbor Tower Phase 2. Commercial, 277/480 V three-phase, copper THHN.
7:04am · spec locked
SafeWireLocked: NEC 2023 + Portland amendments · 277/480 V · 3Φ. Every lookup on this job inherits the spec.
9:32am · quick lookup
Jake12 AWG copper, 180 ft run, 20 A circuit — good to pull?
9:32am · flagged
NEC 210.19(A)(1) · voltage drop at 180 ft10 AWG
flagged in 1.8s — before the wire was pulled
Friday · inspection
Verified before the pull — passed first inspection

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FAQ

What you're probably wondering

Does SafeWire replace the official NEC codebook?

No. SafeWire is advisory guidance referencing NEC 2023 — always verify compliance with your local jurisdiction's adopted code edition and amendments before final approval.

Does it work without a signal on site?

Yes. Your last 50 viewed NEC articles are cached on-device, and scenario queries queue until you're back online.

How accurate is violation detection?

Validated at 95%+ accuracy on a vetted violation test set. High-confidence flags require at least 90% human verifier agreement, and ambiguous calls are marked for human review.

Which code edition does SafeWire support?

NEC 2023 baseline at launch. State amendments for CA, TX, NY and IL are planned for Phase 2 — early access shapes which come first.

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