SIC 3678 — Electronic Connectors
SIC 3678 is 'Electronic Connectors', a 4-digit Standard Industrial Classification (SIC) code under Major Group 36: Electronic and Other Electrical Equipment and Components (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 334417 (Electronic Connector Manufacturing).
Description & Classification
SIC code 3678 representing 'Electronic Connectors' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 334417 - Electronic Connector Manufacturing (via SIC1987:3678→NAICS1997:334417→2002:334417→2007:334417→2012:334417→2017:334417→2022:334417)
Classification Details
| SIC Code | 3678 |
|---|---|
| Industry Title | Electronic Connectors |
| Division | Division D: Manufacturing |
| Major Group | Major Group 36: Electronic and Other Electrical Equipment and Components |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3678:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 36 Hub — View other legacy industries in this business division.
Related Industries in Major Group 36
3612 - Power, Distribution, and Specialty Trans...3613 - Switchgear and Switchboard Apparatus...3621 - Motors and Generators...3624 - Carbon and Graphite Products...3625 - Relays and Industrial Controls...3629 - Electrical Industrial Apparatus, NEC...3631 - Household Cooking Equipment...3632 - Household Refrigerators and Home and Far...
Frequently Asked Questions (FAQ)
What industry does SIC code 3678 represent?
SIC 3678 is 'Electronic Connectors', a 4-digit Standard Industrial Classification (SIC) code under Major Group 36: Electronic and Other Electrical Equipment and Components (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 334417 (Electronic Connector Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3678?
SIC code 3678 maps to modern NAICS codes: 334417 - Electronic Connector Manufacturing.