Contact

National Electrical Authority serves as a national reference hub for electrical systems information, covering residential, commercial, and industrial topics governed by the National Electrical Code (NEC), NFPA 70, and OSHA standards. This contact page outlines the geographic scope of the resource, how to structure an inquiry for the fastest accurate response, and what to expect after a message is submitted.


Service area covered

National Electrical Authority publishes reference content at national scope, addressing electrical systems topics across all 50 U.S. states. Because NEC adoption varies by state — with some jurisdictions enforcing the 2023 edition, others enforcing the 2020 or 2017 editions, and a small number operating under locally amended versions — inquiries that name a specific state receive more precise responses tied to the applicable code cycle.

The content library addresses 4 principal building categories:

  1. Residential — single-family and low-rise dwelling electrical systems, including service entrance sizing, branch circuits, and arc-fault and ground-fault protection
  2. Commercial — tenant fit-outs, mixed-use buildings, and multifamily structures governed by NEC Article 220 load calculation requirements
  3. Industrial — high-voltage distribution, three-phase systems, and equipment covered under NFPA 70E and OSHA 29 CFR 1910.303
  4. Specialty installationsEV charging infrastructure, solar PV integration, and energy storage systems

Inquiries related to permitting, inspection procedures, or contractor licensing requirements are handled at the national level but should reference the applicable state or municipal authority having jurisdiction (AHJ), since permit workflows and inspection frameworks are administered locally, not federally.


What to include in your message

Structured inquiries receive substantially faster and more complete responses than general questions. The following breakdown identifies what information to provide depending on the inquiry type.

For regulatory or code questions:
- The specific NEC article, section, or NFPA 70 provision in question (e.g., NEC Article 210, Section 210.12 for AFCI requirements)
- The state and municipality, since local amendments can supersede base NEC language
- Whether the project involves new construction, renovation, or system modernization

For technical reference questions:
- System voltage and phase configuration (120V single-phase, 208V three-phase, 480V three-phase, etc.)
- Relevant equipment type: electrical panel and service entrance, overcurrent protection, grounding and bonding, or wiring method
- Whether the question relates to design, installation, inspection, or troubleshooting

For safety and hazard inquiries:
- The specific hazard category involved — arc flash, shock, fire, or equipment failure — as classified under NFPA 70E or OSHA CFR 1910 Subpart S
- Whether lockout/tagout procedures are implicated
- The occupancy type and building use classification under the applicable building code

For content correction or sourcing questions:
- The URL or page title of the specific content in question
- The claim or figure that appears incorrect, with a reference to the named public source that contradicts it (NIST, NFPA, UL, OSHA, NEC, or equivalent)

Messages that include at least 3 of the above data points are resolved in a single exchange in the majority of cases. Vague submissions — "I have a question about electrical" — require at least 1 follow-up exchange to establish scope before any substantive response is possible.


Response expectations

National Electrical Authority is a reference and information resource, not a licensed electrical contracting service. Responses address code interpretation, standards framing, inspection concepts, and system terminology — they do not constitute licensed professional engineering advice, legal advice, or jurisdiction-specific compliance determinations.

Response time targets by inquiry category:

Inquiry type Target response window
Content correction / factual dispute 3–5 business days
Technical reference clarification 3–5 business days
Regulatory / code framing question 5–7 business days
Partnership or editorial inquiry 7–10 business days

Inquiries requiring jurisdiction-specific permitting determinations should be directed to the applicable local AHJ or a licensed master electrician holding credentials in the relevant state, since electrician classifications and credentials — including journeyman, master, and specialty endorsements — vary across all 50 states and directly affect who is legally authorized to interpret permit conditions.


Additional contact options

For questions that fall outside the scope of general reference — including active electrical hazard situations, failed inspections, or disputes with a licensed contractor — the following named public resources handle those domains directly:

For content published on this site that references electrical standards and testing organizations such as UL (Underwriters Laboratories) or ANSI, questions about the underlying standards themselves should be directed to those organizations at ul.com and ansi.org respectively, as National Electrical Authority does not have authority to interpret or modify third-party standards documents.

Report a Data Error or Correction

Found incorrect information, an outdated fact, or a broken link? Use the form below.

To report a correction or suggest an update:

[email protected]

Please include the page URL and a description of the issue.

For general questions:

[email protected]

Privacy Policy

📜 4 regulatory citations referenced  ·  ✅ Citations verified Mar 30, 2026  ·  View update log