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M107

Terminating swa picture guide

Question

Had to terminate some swa so thought I'd snap shot each step, seen as the question was asked on how to terminate the stuff.

Only 4mm 3c so fill yer boots......

Put boot & clench nut onto cable (Tip: use tape to hold clear of work area).

Mark where you want to terminate the swa with tape.

1-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Use a hacksaw & score the armour, using the tape as a guide.

2-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Use a knife & strip the outer sheath.

3-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Bend the armour back & forth (tip: small groups & bend at 90deg to the score) until the strands snap off.

4-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

5-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

6-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Score the inner sheath bend back & forth until it splits & seperates, pull clear (Tip:twisting clock wise while pulling it will come off easier).

7-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

8-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Score round lower edge of tape & remove outer sheath.

9-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

10-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Hold cable cores & rotate this will push out & flair the armour strands.

11-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

12-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Offer up to the gland & screw on clench nut.

13-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Push up shroud.

14-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Jobs a goodun

15-M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-1.jpg

Hope thats of some help to anybody who is learning......

Rest of the pics

CU to go here

M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-BEFORECU-1.jpg

Wired

M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-ITCU.jpg

M107-How-to-terminate-make-off-SWA-talkelectricianforumcouk-ITCU1.jpg

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59 answers to this question

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mmmm, wonder if they are approved earthing bolts........

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Your the man. Scoobed

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Good post.

An old panel wirer showed me that tip for cutting the armour.

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Many thanks for the refresher matey!

Tell you what, i hope to get as neat as that with my wireing eventuly.

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thanks for that,,, not done it in a while

question.....

do you guys always have the end stuff already located (in this case the cu) ?????

i have previously 'made off' then located to the box

think i may have made hard work off it !!!!!!

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depends. sometimes put gland onto cable, then into enclosure then locknut. other times glad is fitted to enclosure, then SWA into that

you dont really have a choice when your going into a galv box etc though

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Nice little thread.

I do the same with the tape to hold it together but use a adjustable plumbers pipe cutter to roll round the armoured to create a score in the steel wire then do the bending, works really well, stops you sawing your fingers off.

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Photos 7&8, usually the part of making off an SWA gland that drives ma bananas! Very rarely that inner sheath comes off easily. It's usually moulded into the cores and won't pull off!

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Photos 7&8, usually the part of making off an SWA gland that drives ma bananas! Very rarely that inner sheath comes off easily. It's usually moulded into the cores and won't pull off!

cheap swa. it has no or very little chalk in

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Top post once again M107, very tidy work .... I always use external glands with the olive , I think they get a better bite on the armoured.

Cheers

Ste

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Use a Bladerunner SWA Stripper

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I have one used it a couple of times (it is probably in the bottom of the tool bag) but old habbits die hard & for those still learning the trade it doesnt hurt to know how to do it the old way.....just incase you cant find the bladerunner thingy.

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Hi there

Am a student lecky and was wondering did you wire the swa straight to the MCB with no connector block in an adaptable box?. And just checking, I'm using 4mm swa and I need to connect to a 32A mcb?

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I watched a really good tip the other day on you tube for doing this. Buy your self a plumbers copper tubing cutter put that around the swa and turn it whilst righting it leaves perfect termination of the steel armoured.

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there are tools like that specifically designed for SWA, although i only use a hacksaw and manage fine with that

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Blade runner only works on the small cables so I would advice using the hack saw.

Also if your terminating the swa and it has a bend in it then bend it first and then follow the steps above :D

Good post

:D

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Wicksy, apparently there is now a bigger version of Blade Runner out, so can do more cables.

AndyGuinness

---------- Post Auto-Merged at 19:15 ---------- Previous post was made at 19:08 ----------

http://www.discount-electrical.co.uk/PDFs/Kewtechnik/wsbr28.pdf

Bottom of the page - does upto 95mm apparently.

AndyGuinness

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30 years ago we used to put a snapped off end of a hacksaw blade into a plumbers ringing tool to use as a 'Bladerunner'. Nowt new.

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I'll just stick to the hacksaw

:D

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Hi there

Am a student lecky and was wondering did you wire the swa straight to the MCB with no connector block in an adaptable box?. And just checking, I'm using 4mm swa and I need to connect to a 32A mcb?

Terminate swa to an adaptable box then take the conductors through into the cu (box is butted upto the cu), terminating to the mcb/met & neutral terminal & earth flylead from earth nut (dont bother with banjo's anymore) of gland to met. No need to join anything if its cut to the right lengths.

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Terminate swa to an adaptable box then take the conductors through into the cu (box is butted upto the cu), terminating to the mcb/met & neutral terminal & earth flylead from earth nut (dont bother with banjo's anymore) of gland to met. No need to join anything if its cut to the right lengths.

Thanks for the advice, helps alot.

Just one more question. When you say use an earth nut, where does the cpc from the 3 core connect to if you don't use a banjo. Does it connect to the grub screw on the nut and then from the same grub screw to the MET? Do you have any close up pictures of the fitting?

many thanks for your time and advice.

Stacy

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Best I can d at the moment...

Submain to a DB that I TT'd, so cpc terminated to Earth nut in an insulated enclosure.

http://i83.photobucket.com/albums/j293/gazjothomas/DSC00798.jpg

If it was a normal final circuit the cpc (3rd core) would be taken to the met of the DB and an additional fly lead from the earth nut would be taken to the met also.

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Why 3 core when you've TT'd it M107????

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Ahem.....(time to come clean) well it was swa left over from another job that was just (had 8 inches waste) long enough with some artful location of the run;), soooooooooo I used it and priced the customer (of this job) for 2 core as I felt guilty for making on the same cable twice......but not so guilty that I was going to give it away free:innocent

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