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
customer’s 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 |
|
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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
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|
Cover
on top |
Cover
on inside |
Cover
on outside |
90deg
Bend
|
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90deg
Gusset Bend
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|
45deg
Bend
|
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|
Tee-piece
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Gusset
Tee-piece
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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 |
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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.
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Jointing Sleeve |
50 x 25 |
75 x 25 |
100 x 25 |
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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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