The IET is carrying out some important updates between 17-30 April and all of our websites will be view only. For more information, read this Announcement

Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Not Answered
  • Locked Locked
  • Replies 9 replies
  • Subscribers 31 subscribers
  • Views 4338 views
  • Users 0 members are here
Options
You may also be interested in
This discussion is locked.
You cannot post a reply to this discussion. If you have a question start a new discussion

Stuffing gland and swa

MrJack96
Is it okay to use stuffing gland with swa as long as as the armour is earthed at the supply end?
Parents
  • 0
    It all rather depends what you are doing with the armour and the CPC for the circuit - in extremis you could have 2 stuffing glands on at each end  and comb the armour into an earth terminal, electrically fine, though the purists may tut a bit. The equivalent for SY is common.

    IF the armour is the main CPC, you need to ground it at both ends in a way that is good enough for the max fault current. If the CPC is elsewhere and the armour is just there to fire the RCD if a garden fork gets the cable, then earthing at supply end may well be enough. Indeed  if you are creating a TT island, it may be a deliberate choice not to continue the armour on arrival.
Reply
  • 0
    It all rather depends what you are doing with the armour and the CPC for the circuit - in extremis you could have 2 stuffing glands on at each end  and comb the armour into an earth terminal, electrically fine, though the purists may tut a bit. The equivalent for SY is common.

    IF the armour is the main CPC, you need to ground it at both ends in a way that is good enough for the max fault current. If the CPC is elsewhere and the armour is just there to fire the RCD if a garden fork gets the cable, then earthing at supply end may well be enough. Indeed  if you are creating a TT island, it may be a deliberate choice not to continue the armour on arrival.
Children
No Data

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Community Rules & Guidelines