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Cable Trunking

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3.1- Standard Trunking

Return Edge Cable Trunking complies with Bs4678 part 1 class 3, and manufactured from prime hot-dipped galvanized sheet steel to a number of standard sizes and can be epoxy painted to customerís color specification. Available in 2M or 2.44M standard lengths, the trunking is supplied complete with covers. However, many variations and options are available upon request.
Tinned copper earth continuity links are also Supplied.

   

3.2- Multi compartment trunking:
Multi compartment trunking based on standard sizes is produced to order.

When unequal compartments are required, the trunking can be manufactured to customer precise specification. Partitions are spot-welded into position to produce the necessary compartments.

 

     3.3- QUICK RELEASE TURNBUCKLE
Installation is both simple and fast as trunking covers are normally supplied with quick release turnbuckles which require only a quarter turn to lock or release. The turnbuckle is a two piece component comprising of an alloy die cast button and carbon steel pawl. Fitting a new turnbuckle requires no special tools and is simply a matter of drilling a 8mm diameter hole. Fitting the turnbuckle and tapping down the turnbuckle locking pin.

 

     3.4- SCREW FIX

Trunking Return Edges are fixed with captive nuts to ensure wires protection from cover screws.

 

 

     3. 5- MULTI COMPARTMENT TRUNKING

The part number of multi compartment system will exactly the same of single compartment except adding number of compartment at the end of the code n

Unless otherwise requested by the customer, the multi compartment will be divided equally of the width.

 

     3.6- Cable capacities of standard trunking

 

Conductor Size Sq.mm

Trunking
size

1.0

1.5

2.5

4.0

6.0

10.0

16.0

25.0

35.0

50.0

70.0

95.0

 

50 x 50

138

132

98

67

52

33

24

16

12

9

7

5

75 x 50

208

185

148

101

79

51

37

24

18

13

10

7

75 x 75

312

278

221

152

118

76

655

37

28

20

16

11

100 x 50

277

247

197

135

95

67

49

39

25

18

14

10

100 x 75

516

370

296

203

158

101

74

49

37

27

21

15

100 x 100

555

484

394

271

211

135

98

66

50

37

28

21

150 x 50

416

370

296

203

158

101

74

49

37

27

21

15

150 x 75

624

556

443

304

237

152

111

74

56

41

32

24

150 x 100

833

741

592

406

316

203

148

99

75

55

42

31

150 x 150

1250

1112

888

409

475

305

222

145

112

83

54

47

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.7- Accessories:

Standard fittings are supplied with captive nuts for covers. Each type of accessories has a common coding such as M99 for 90 deg. Gussett Bend. The use of suffix /T /I /O denotes the lid fixing position. Components M99/T can therefore be incorporated into a complete coding as M99/T/5050.

1- Bends & Tees

 

Cover on top

Cover on inside

Cover on outside

90deg
Bend


90deg
Gusset Bend


45deg
Bend


Tee-piece


Gusset
Tee
-piece


 

2- Sockets Outlet Plates:

Socket outlet punching can be supplied in short cover sections for trunking widths of 100mm and above. Please specify trunking width A and use suffix /G or /P to complete component finish references. The single socket outlet plate accepts the most commonly used power and telephone outlets. Plates can be made to order to suit special requirements.

                                                     

 

   Single socket outlet or telephone                                                     Twin socket outlet 

3- Offsets

When ordering offsets, specify dimensions l or H as well as size of trunking. When ordering reducers, use both component sizes in reference.

 


M11/V Vertical offset


M11/H Horizontal offset


M 34 Reducer



M 45 Crosspiece



M 20 Standard
"Fish Plate" connector



M 22 Standard
connector



M 24 Smooth bore bush



M 33 Block end



M 44 Flanged connector


       

 

4- Bridge piece arrangement
Where the use of flyover is too restrictive, the bridge piece offers an easy solution for cable separation.

    

 

3.8- Under Floor Trunking:

    3.8.1- Under floor Trunking:

The under screed trucking system is manufacture from galvanized sheet steel to BS 2989. The system has been designed to comply the requirements BS 4678 part 2.
Service outlet and junction boxes are designed to be installed at predetermined position to provide the end user with Power, Telephone, Data etc.
Standard trunking is supplied in 2 or 2.44 mtr length and available in a choice of 2, 3, or 4 compartments.
Elbow, Tee, Cross Junction boxes are fabricated from pre-galvanized sheet steel to BS 2989 same as trunking. The thickness of the trunking body is 1.0mm and cover 1.2mm. Tinned copper earth links are provided for every joint as per request.
Ease Installation and convenience of final user have been considered as priorities in our design.
Moreover, custom designed and manufactured items are available to meet special site conditions.

 

 

 

The Trunking is totally buried in the Floor Screed and available in various depths to suit most cable capacity requirements. The systems junction boxes and service outlet units are installed flush with surrounding floor area. Our systems ensure maximum flexibility and convenience for the end user.

 3.8.1.a. Under floor trunking includes the following product range:

1. Metal Trunking
2. Joint/fix Connector
3. 90 Deg. Junction Box
4. 3-way Junction Box
5. 4-way Junction Box

6. 90 Deg. Riser Bend
7. Service Outlet Box
8.Hinged Lid Assembly
9. Conduit Connector
10. Stop End

 

3.8.1.b. Accessories:

The Junction boxes incorporates partitions for straight or angle and flyovers assembly for tee and cross units as required. Standard depth of all 250x250mm square junction boxes are 65mm including strong and light weight aluminum reversible lid, to meet carpet thickness, and surrounding frame.
Standard 65mm deep junction boxes are suitable to accept up to 225x38mm under floor trunking.
Junction boxes with increased depth are also available to meet different screed levels.
Junction boxes to accept wider than 225mm trunking are supplied with 3mm thick steel epoxy finish lids and surrounding frame.

1. Tee

2.   90 Deg. Angle

3.   4 Way Cross

 

4.   Riser bend

 

 

5.  Service Outlet Box:

Galvanized steel base box is supplied with fixed partitions to meet the required number of compartments. Numerous configurations are available within 3 or 4 compartments to meet and install different combinations of wiring accessories of British, European and American standard. Standard 65mm deep boxes are suitable to accept unto 225x38mm under floor trunking. Through and Termination type service outlet boxes with increased depth other than 65mm are also available to meet different screed levels.

A.  Through Type

B.  Termination Type

 

 

6. Hinged Lid Assembly

Final hinged lid assembly is high quality lid and trim molding. Tray lid is reinforced with 4mm thick galvanized sheet steel and has a 8mm thick carpet infill. Hinged lid assembly is fixed after installation of service outlet box.
Dual quick fix securing clamps reduce installation time to minimum. The lid position allows the simple selection of self closing, vertical parking for installation and maintenance, access and removal for changing the lid opening direction.
Cable retainers are fixed as standard for safe and convenient cable routing through cable exit outlets.
Lid loading test shows no permanent deflection when subjected to a load of 2,.5kn applied via a 25mm square indenter.

 

 

3.8.2Uunder Floor PVC Ducting

Under floor UPVC ductings are high impact, heavy gauge and trapezoidal shaped. Non corrosive ducting is light weight and can be easily cut with hand tools at site during installation. Ductings and accessories are available in three profiles in matt white finish.

 







Jointing Sleeve

50 x 25

75 x 25

100 x 25 

 

  

 

 

Accessories

All accessories are suitable to accept single profiles of 25mm high uPVC ducts to make the number of compartment as required. Standard 3 compartment with 60mm screed depth of Junction boxes, service outlet units and other accessories are supplied. Please specify your required screed depth other than 60mm screed

 

1.  4 Way Cross & Tee

 

 

2.  90 Deg. Angle

 

3. Service Outlets

 

4. Riser bend


 

5. Fixing Clips

 

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