Components and Materials/CMJ Registration | JAPAN ELECTRICAL SAFETY & ENVIRONMENT TECHNOLOGY LABORATORIES

Articles 1 and Article 2 of Technical Requirements in the Ministerial Ordinance of the Electrical Appliance and Material Safety Law specify the requirements for components and materials that undergo repeated testing, and by registering the test results, they can be utilized to the maximum degree at the time of product testing. Accordingly, by selecting registered components, assembling manufacturers can save testing time and costs, while component manufacturers can emphasize the benefits when marketing to assembling manufacturers. When certifying components, they are utilized for the JET internal conformity assessment and inspection, and registered products at the Council for Electrical & Electronic Components and Materials of Japan ( hereinafter referred to as CMJ ) can be utilized by other domestic institutions, offering the benefit of a broad scope of applications. (In accordance with the intentions of the applicant, JET coordinates with other testing institutions, and a registered component can be given CMJ registration status upon approval from CMJ.)

CMJ Registration Items
Components:
Thermostat	Database of Registered Thermostat
Fire-retardant test for sheathed wire for appliance (F mark) and electric strength (K mark)
Radio interference suppression capacitor	Database (Japanease only)
Phase advance capacitor for motor	Database (Japanease only)
Switch for appliance	Database (Japanease only)
Current fuse
Anti-tracking plug	Database (Japanease only)
Materials:	Database of Registered Material
Confirmation test of upper limit in operation temperature for insulation material
Ball pressure test for thermoplastic resin
0.1mm VICAT softening temperature test
Horizontal burning test of synthetic resin for outer case
Vertical burning test of laminates for printing
Vertical burning test of synthetic resin material
Glow-wire test (GWFI, GWIT)
Comparative tracking index (CTI) ^*Only for the materials of the power plug

Table of Products covered by CMJ

Purpose

These Outlines of "CMJ Mark" cover the conditions according to which the license holders under the Registration Scheme of Electric Components and Materials (hereinafter referred to as "CMJ Registration Scheme") are to use the Registration Mark (hereinafter referred to as "CMJ Mark")

	Materials				Components
	Upper Temperature Limit for Organic Insulation Materials	Ball pressure/0.1㎜ Softening Temperature	Horizontal Burning/ Vertical Burning/ Glow-wire	Comparative tracking index(CTI) Only for power plug	Thermostat	Radio interference suppression capacitor/ Phase advance capacitor for motor/ Switch for appliance/ Current fuse/Anti-tracking plug
Application form for test	WORD				WORD	WORD
Application form for test	PDF				PDF	PDF
Type classification	-				WORD	-
Type classification	-				PDF	-
FACTORY INSPECTION REPORT(Section B)	WORD					WORD
FACTORY INSPECTION REPORT(Section B)	PDF					PDF
Application form for registration	It is sent at the time of test completion	Same as "Application form for test"			WORD	Same as"Application form for test"
Application form for registration	It is sent at the time of test completion	Same as "Application form for test"			PDF	Same as"Application form for test"
Change in registration	WORD				WORD	WORD
Change in registration	PDF				PDF	PDF
Cancellation of registration	WORD				WORD	WORD
Cancellation of registration	PDF				PDF	PDF

For Thermostat test
Attached documents: Model classification (two copies), Diagram (two copies), Photograph (two copies)

For components
Attached documents: Technical Specifications Declaration (a statement of the technical specifications of the components for which registration is sought) component list, electrical circuit diagram, photographs,and drawing, etc.