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IP56. Masterseal IP56 20mm Cable Entry. Masterseal range has been specifically designed for use either outdoors or indoors and in areas heavily exposed to dust and splashing water.

IP56. Masterseal IP56 20mm Cable Entry. Masterseal range has been specifically designed for use either outdoors or indoors and in areas heavily exposed to dust and splashing water.
Average Customer Rating:
4.4 out of 5
4.4
 out of 
5
(5 Reviews) 5
Open Ratings Snapshot
Rating Snapshot (5 reviews)
5 stars
3
4 stars
1
3 stars
1
2 stars
0
1 star
0
4 of 5(80%)reviewers would recommend this product.
Customer Reviews for Masterseal IP56 Cable Entry 20mm
Review 1 for Masterseal IP56 Cable Entry 20mm
Overall Rating: 
5 out of 5
5 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
Would you recommend this product? Yes
Overall Rating: 
5 out of 5
5 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
Just use grease!
9 Jul 2014
By UKTroll
, Aylesbury
"Not cheap, but excellent for bringing T&E tidily into knockouts. As they're designed to keep the water and dust out, they're very tight, but if you use a dab of silicone grease on the outside of the grommet and on the outside of the cable, both slide in really easily.
I keep a small tube of silicone grease in every toolbox for just this sort of thing, as it's non-reactive and helps all sorts of things slip in just fine!"
Review 2 for Masterseal IP56 Cable Entry 20mm
Overall Rating: 
5 out of 5
5 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
Would you recommend this product? Yes
Overall Rating: 
5 out of 5
5 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
Very handy
11 Mar 2010
By davidqc
, North Wales
"These simple grommets are a God send and no need for DumDum! Great for use in knockouts in say a garage/workshop (or other dusty areas) and outside (where cable enters bottom of the switch/outlet). I've got a 2.5mm and 2 x 1.5mm thro' these grommets (all three) without having to warm them up - just used a scewdriver to open the hole up a bit - and that was in temperatures of around 4deg C. But they are pricey for what they are though."
Review 3 for Masterseal IP56 Cable Entry 20mm
Overall Rating: 
5 out of 5
5 out of 5
Value: 
5 out of 5
5 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
Would you recommend this product? Yes
Overall Rating: 
5 out of 5
5 out of 5
Value: 
5 out of 5
5 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
5 out of 5
5 out of 5
good purchaes
28 Nov 2008
By angus08
, dundee
"you need to soak in hot water to use but oncee in place they are watertight"
9 of 9 people found this review helpful.
Review 4 for Masterseal IP56 Cable Entry 20mm
Overall Rating: 
4 out of 5
4 out of 5
Value: 
2 out of 5
2 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
4 out of 5
4 out of 5
Would you recommend this product? Yes
Overall Rating: 
4 out of 5
4 out of 5
Value: 
2 out of 5
2 out of 5
Features: 
5 out of 5
5 out of 5
Performance: 
5 out of 5
5 out of 5
Reliability: 
4 out of 5
4 out of 5
Expensive, but does the job
15 Jul 2011
By Landrace
, Tyneside
"Pricy for a glorified grommet but couldn't find similar very easily elsewhere.
Excellent for fitting normal T%E cable in a sheltered outdoor location. Otherwise would need round cable through a gland for max waterproofing.
NOTE: It is much much easier to fit if you drop it in some hot water first."
Review 5 for Masterseal IP56 Cable Entry 20mm
Overall Rating: 
3 out of 5
3 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
3 out of 5
3 out of 5
Performance: 
3 out of 5
3 out of 5
Reliability: 
3 out of 5
3 out of 5
Would you recommend this product? No
Overall Rating: 
3 out of 5
3 out of 5
Value: 
3 out of 5
3 out of 5
Features: 
3 out of 5
3 out of 5
Performance: 
3 out of 5
3 out of 5
Reliability: 
3 out of 5
3 out of 5
hard to fit
29 Oct 2012
By njg28
, Stoke
"virtually imossible to fit onto 20mm knockout - no hot water available - as suggested by other reviews - so difficult without I didnt endd up using them"