MMAIATEX QAR and cable entry guides published today
MMAIATEX has added the following three English guides to its public technical library:
- IECEx QAR vs CoC: What Ex Equipment Buyers Must Check
- Ex Cable Entry Thread Compatibility: How to Match Glands and Enclosures
- How to Select an Explosion-Proof Signal Lamp: 12 FAQs
These are editorial publications, not product launches, certification announcements or reports of a customer project. Their purpose is to help procurement, engineering, EHS and compliance teams ask better questions before accepting equipment documents or approving a configuration.
What each new guide answers
| New resource | Direct question answered | Evidence the reader should leave with |
|---|---|---|
| IECEx QAR versus CoC | Does a factory quality report certify the offered equipment? | The current online CoC, relevant ExTR evidence, manufacturing-site QAR relationship, exact model identity, issue and schedule must form a coherent record |
| Ex cable entry thread compatibility | Is a gland acceptable because it starts to screw into an enclosure? | Thread system, size, pitch, fit, usable engagement, location, accessory arrangement and certified documents must agree |
| Explosion-proof signal lamp FAQ | What must a buyer specify beyond lens colour? | Area classification, indication purpose, circuit data, Ex marking, ambient limits, mounting, entries, instructions and current exact-model evidence |
The first guide separates quality-system surveillance from product certification. It uses the official IECEx scheme explanation and current operational documents to show why a QAR is supporting factory evidence rather than a universal product certificate. It also directs readers to the controlled online CoC instead of treating an emailed file as the master record.
The second guide addresses a narrow physical interface that is easy to underestimate. A matching nominal diameter or a hand fit does not identify the thread form, pitch, tolerance or certified arrangement. The page turns controlled entry drawings, gland documents and installation evidence into a review sequence without publishing a universal turn count or field-modification shortcut.
The third guide answers 12 recurring buyer questions about local panel indicators. It separates lens coding from Ex suitability and explains why voltage, function, protection concept, ambient range, mounting and wiring records belong in the same specification.
How procurement and engineering teams can use the update
Procurement teams can attach the relevant checklist to an enquiry and request missing evidence before price comparison. Engineering teams can use the tables to organize a design review, but the pages do not replace a licensed standard, certificate schedule or manufacturer instruction. EHS and compliance reviewers can use the answer-first sections to identify which specialist must approve the final decision.
Readers who need a wider document workflow can also use How to Verify IECEx Certificates and ATEX Documents. The IEC 60079-14:2024 buyer checklist connects area classification, equipment selection, installation documentation and initial inspection. The Ex marking guide supports exact identity checks.
Source and editorial controls
The IECEx QAR article cites the official IECEx Certified Equipment Scheme overview and current scheme documents. The cable-entry guide cites the public pages for IEC 60079-14:2024, IEC 60079-0:2026 and IECEx drawing guidance. The signal-lamp FAQ cites IEC 60947-5-1:2024, IEC 60073 and the relevant IEC 60079 pages.
Every page records a September 3, 2026 review date and identifies where exact certificates, schedules, drawings, instructions, site classification and jurisdiction still control. Standard and certificate status can change, so readers should revisit the official source and record the date of each verification.
The four Round 10 photographs, including this update image, come from the MMAIATEX WordPress media library and show different real physical components on white backgrounds. They are representative only. No image was generated, no certification badge was added and no photograph is presented as evidence of certification or application suitability.
Current MMAIATEX certification status
The public MMAIATEX About page states that ATEX, IECEx and CCC certification work is in progress. MMAIATEX Explosion-proof Technology (Zhejiang) Co., Ltd. does not present these guides, product-category names, IP ratings or representative photographs as proof that any particular product or assembled configuration has completed certification.
Buyers must request current exact-model certificates, schedules, markings, drawings and instructions, then independently verify their status and scope. Selection and installation remain subject to the actual site, project, jurisdiction and competent responsible persons.
Safety and legal disclaimer
This company update and the linked guides provide general educational information. They are not licensed standards, conformity assessments, product approvals, installation instructions or legal advice. Hazardous-area classification, equipment selection, system design, installation, inspection and modification must be completed or approved by competent persons using current controlled evidence.
Request the relevant document set
Send the destination country, area classification, required EPL or category, proposed equipment type, exact model references and available certificate documents. MMAIATEX can identify available product records for review by the responsible buyer, designer and compliance team.

