JAPAN ELECTRICAL WIRING SYSTEM INDUSTRIES ASSOCIATION

What JAPAN ELECTRICAL WIRING SYSTEM INDUSTRIES ASSOCIATION does

JEWA (Japan Electrical Wiring System Industries Association / 一般社団法人 日本配線システム工業会) is a Tokyo-based, member-driven non-profit industry association founded in 1954 that develops and publishes product standards and technical guidelines for the Japanese electrical wiring equipment industry. The association serves approximately 50-60 member companies, including major manufacturers such as Panasonic Electric Works, Toshiba Lighting Technology, and Kawamura Denki, alongside electrical contractors and the general consumer public.

Its core output consists of the JWDS (JEWA Wiring Device Standards) series covering switches, outlets, residential distribution panels, EV charging equipment, USB outlets, and code sets, plus the JWD-T (JEWA Wiring Device Technical documents) series covering safety guidelines, EV charging construction, smart house wiring, and ICT/IoT-era residential electrical design. JEWA also operates safety awareness campaigns including the annual Wiring Equipment Day (November 11), maintains the Net-EMS internet-based platform for ISO14001 environmental management certification, and compiles monthly shipment statistics dating to 2000. Revenue is generated through nominal-priced publication sales (25-2,000 yen per document), subscription-based statistics data distribution, and Net-EMS service fees. The association coordinates with METI on regulatory policy and participates in the JECA FAIR exhibition, which attracts over 100,000 visitors annually.

Name

JAPAN ELECTRICAL WIRING SYSTEM INDUSTRIES ASSOCIATION

Legal name

一般社団法人 日本配線システム工業会

Website

https://jewa.or.jp

Company type

Private

Founded year

1954

Operating status

Operating

Headcount range

1–10 employees

Short description

JEWA is a Tokyo-based non-profit industry association that develops wiring device standards (JWDS) and technical guidelines (JWD-T) for approximately 50-60 Japanese electrical equipment manufacturers, while running safety campaigns and ISO14001 certification support.

Ownership category

akta.pro rank

Product category

Industry Association Services

NAICS

Professional Organizations (81392), Business Associations (813910)

SIC

Services-Membership Organizations (8600)

akta.pro primary industry

Technical Committees, Working Groups & Expert Panels (BPADANAB)

akta.pro secondary industries

Conformity Assessment, Testing, Inspection & Certification Cooperation (BPADANAD), Electrical Permitting, Inspection Preparation & Compliance Services (HSAOADAL)

Keywords

• Electrical wiring standards
• Wiring device specifications
• Industry standards publication
• Technical safety guidelines
• Electrical equipment manufacturing

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Publication Sales: Sale of JWDS standards, JWD-T technical documents, and pamphlets related to electrical wiring safety and standards. Prices range from 600 yen to 2,000 yen for technical documents.
2. Shipping Statistics Data Sales: Paid distribution of monthly shipment statistics data for wiring systems and wiring equipment. Data available from 2000 to present.
3. Net-EMS Service: Internet-based Environmental Management System service for ISO14001 certification support. Previously started through partnership with Japan Metal Pressing Industries Association.

Pricing tiers

Distribution channels2 records

Marketing channels4 records

Core offering

JEWA is a Japanese non-profit industry association that develops and publishes technical standards (JWDS series and JWD-T series) for electrical wiring devices including residential distribution panels, switches, outlets, plugs, EV charging equipment, USB outlets, and seismic sensor products. It coordinates industry standardization with government bodies (METI), publishes monthly shipment statistics, sells safety pamphlets, and operates the Net-EMS service for ISO14001 environmental management certification support among its approximately 50-60 member companies.

Product overview

JEWA is a Japanese industry association for electrical wiring system manufacturers. Rather than manufacturing products, JEWA develops and publishes product standards (JWDS series) and technical materials (JWD-T series) covering wiring devices such as switches, outlets, residential distribution panels, EV charging equipment, USB outlets, and smart house wiring systems. The association also produces safety-focused pamphlets and operates a Net-EMS platform for ISO14001 certification support. Member companies manufacture physical products including fire prevention devices, seismic sensor-equipped circuit breakers, and wiring accessories. JEWA also compiles and publishes shipment statistics for the industry.

Differentiator

Problem solved

Functional benefit

Products and services

• JWDS (JEWA Standards) Series JEWA's proprietary product standards covering wiring devices including residential distribution panels (JWDS0007), switches, outlets, code sets, EV charging equipment (JWDS0033, JWDS0035), USB outlets (JWDS0038), and specialized connectors. Standards include supplements for seismic sensors, overcurrent alarms, lightning protection, and solar power compatibility. Available to member companies and external buyers.
• JWD-T (Technical Materials) Series Technical guidelines and research reports including EV charging installation guidelines (JWD-T33), smart house wiring systems (JWD-T36), seismic sensor distribution panel guidelines (JWD-T22), and ICT/IoT era residential electrical system design guidelines (JWD-T39). Covers safety guidelines, environmental assessments, and construction reference materials.
• Safety Pamphlets and Brochures Safety-focused educational materials covering table tap safety inspection, switch and outlet usage, LED bulb compatibility with lighting switches, residential distribution panel replacement recommendations, and product replacement timelines (10-year guidelines for wiring devices, 3-5 years for table taps, 13 years for distribution panels). Sold at differentiated member vs. non-member pricing with a 5-copy minimum order.
• Fire Prevention Products Showcase (Member Company Products) Fire damage reduction products from JEWA member companies including thermal-tracking warning outlets, seismic sensor-equipped circuit breaker panels, spark detection units, seismic sensor taps, and seismic breakers. Curated showcase to promote adoption of JEWA-aligned safety products.
• Net-EMS (Environmental Management System) Internet-based system enabling faster (approximately 6 months from kick-off), lower cost (1/3 to 1/5 of normal), and easier ISO14001 environmental management system certification acquisition using computer-based document creation tools. Adapted by JEWA through partnership with Japan Metal Pressing Industries Association; 6 member companies achieved certification through this system since 2004.
• Monthly Shipment Statistics Data Paid distribution service providing monthly shipment statistics data covering the Japanese wiring systems and wiring equipment industry. Data is available from 2000 to present, distributed via user agreement and application form. Used by member companies and external subscribers for market analysis and industry benchmarking.

Quantifiable outcome

• Over 21 annual Wiring Equipment Day campaigns conducted since 1999
• +3 more outcomes

Named customers16 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Japan Metal Pressing Industries Association (社)日本金属プレス工業協会coreTechnology or Integration · 1 October 2003JEWA partnered with Japan Metal Pressing Industries Association to adapt their Net-EMS (Internet Environmental Management System) for JEWA members. The system enables faster (approximately 6 months), cheaper (1/3 to 1/5 normal cost), and easier ISO14001 certification. Six member companies achieved certification through this system.
• Ministry of Economy, Trade and Industry (METI) - Information Communications Equipment DivisioncoreOthersGovernment partnership for electrical equipment safety regulations, smart grid initiatives, EV infrastructure promotion, and disaster prevention policies. METI officials regularly attend JEWA events and provide policy guidance.
• All Japan Electrical Construction Materials Wholesale Cooperative Federation (全日本電設資材卸業協同組合連合会)minorChannel Partner/ Reseller/ DistributorIndustry organization representing electrical construction materials wholesalers. Representatives attend JEWA New Year's receptions and collaborate on industry events.
• All Japan Electrical Construction Business Association (全日本電気工事業工業組合連合会)minorChannel Partner/ Reseller/ DistributorAssociation of electrical construction contractors. Representatives attend JEWA events and collaborate on promoting electrical safety standards.
• Japan Electrical Construction Industry Association (社)日本電設工業協会coreStrategic or Co-development PartnerOrganizational partner for JECA FAIR (Electrical Equipment Industry Exhibition). JEWA has participated as an exhibitor since 2005. The exhibition has grown to over 240 exhibitors and 100,000+ visitors.
• Kanto Electrical Safety Inspection Association (関東電気保安協会)minorStrategic or Co-development PartnerCollaborated with JEWA for Wiring Equipment Day street campaigns in Yokohama, conducting electrical safety panels and consultations alongside JEWA member companies.
• Yokohama City Crisis Management Office (横浜市総務局危機管理課)minorStrategic or Co-development PartnerPartnered with JEWA for Wiring Equipment Day events to promote earthquake-sensitive distribution panels and distribute subsidy program information.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Underwriters Laboratories (UL): Global safety standards and certification organization; comparable as a safety standards-setter for electrical products, though UL is a for-profit testing entity rather than a non-profit trade association.
• International Electrotechnical Commission (IEC): Global standards body for electrotechnology whose standards (IEC 60884, IEC 60309, etc.) overlap with JEWA's JWDS series; broader incumbent that sets the international framework within which JEWA operates.

Others

• CSA Group: Canadian standards and certification organization for electrical and mechanical products; comparable as a national-level standards/certification body operating alongside JEWA's Japanese-focused standards work.
• ANSI (American National Standards Institute): US national standards body coordinating standards development across industries; comparable to JEWA as a standards coordination entity, though operating at a broader national level across all industries.
• Japanese Industrial Standards Committee (JISC): Japanese national standards body under METI that develops JIS standards; comparable as the domestic counterpart for industrial standards, of which JEWA's JWDS standards are a sector-specific complement.

Direct peers

• National Electrical Manufacturers Association (NEMA): US-based trade association for electrical equipment manufacturers that develops industry standards and advocates for member interests; directly comparable to JEWA as a national electrical industry association with similar membership model and standards-setting function.
• Japan Electrical Manufacturers' Association (JEMA): Japanese electrical manufacturers' trade association covering the broader electrical equipment industry; directly comparable to JEWA as a domestic peer with overlapping membership and parallel advocacy/standards work.
• ZVEI (Zentralverband Elektrotechnik- und Elektronikindustrie): German electrical and electronic industry trade association representing manufacturers across the sector; directly comparable to JEWA as the European counterpart for electrical industry advocacy and standards coordination.
• BEAMA (British Electrotechnical and Allied Manufacturers Association): UK trade association for electrotechnical infrastructure manufacturers; directly comparable as a national-level electrical industry association developing standards and representing members in regulatory matters.

Regional players

• CENELEC (European Committee for Electrotechnical Standardization): European regional electrotechnical standards body coordinating standards across EU member states; comparable as a regional peer that, like JEWA, develops harmonized standards for the wiring device industry.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles19 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about JAPAN ELECTRICAL WIRING SYSTEM INDUSTRIES ASSOCIATION