Typical Problems Encountered With Cable Glands & Cable Terminations
Published
Read Time: 5 mins
Throughout any inspection campaign non-compliant issues are going to be found. Here are some common issues we have found with cable glands and terminations whilst conducting inspections.
Cable Glands
- Loose back nuts
- Gland not tight in enclosure
- Over-tightening of the back nut compressing IP seal
- Armour clamping ring not correctly installed and exposed at the back of the gland
- Armour braiding cut back too far
- Over or undersized cable glands
- Missing or incorrectly located IP washers
- Incorrect installation of barrier glands
- Inserting glands and adaptors into threaded entries of a different size
- Certificate of Conformity not read
- Uncertified glands or adaptors or certified under a non IECEx or ANZEx scheme, but no Conformity Assessment Document
- Incorrect IP rating for glands or adaptors
Cable Terminations
- Incorrect type and size of cable lugs or for voltage used (special lugs for high voltage required)
- Incorrect lug type for protection technique (Ex e lugs and fasteners are special types)
- Lug incorrectly crimped
- Wrong crimping tool used Insulation
- Stripped back too for or not enough
- Insufficient length of conductor inside the lug
- Incorrect cable type or diameter for the equipment
- Terminals being over-tightened
- Terminals being under-tightened
- Spare conductors not terminated
- Screens not terminated
- Unused terminals not being securely tightened down
What others can you think of?
This material is produced by HAZ. The information is of a general nature only and should not be relied upon. Each set of
circumstances associated with compliance of hazardous
areas and Type
B compliance
is unique and expert advice on your particular circumstances should be sought. HAZ accepts no liability for any reliance on the
information published on this website.