Is it mandatory to lock pluggable electrical connections?
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Answer: If pluggable electrical connections are used as a connection in a fixed installation, you are always required to lock them. Isolectra advises always locking every pluggable electrical connection and retrofitting this lock if it appears that connections have not been secured.
Rationale:
- Wieland and Isolectra state in their instructions that pluggable electrical connections must always be locked with the appropriate locking device.
- Wieland has certified the GST18 system according to the standard NEN-EN-IEC 61535 “Installation couplers intended for fixed connection in fixed installations”. This standard concerns connections in fixed installations, and requires that it must be possible to secure connections.
- NEN1010:2020 deals with setting up fixed installations. EN61535 applies in this respect.
- Section 134.1.1 states that the equipment manufacturer’s instructions must always be followed. For this reason, a connection in a fixed installation must always be locked.
- Section 134.1.4 states that connections must ensure safe and reliable contact. For this reason, a connection in a fixed installation must always be locked.
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