Ellis Patents 2 Hole Single Cable Clamps – LSF LUL London Underground Approved

Cable Clamps
2 Hole Cable Clamps
Single Cable Cleats
- Manufactured By Ellis Patents
- Cable Cleat Type – Single Cables
- Material – Nylon (Plastic)
- Cleat Range Single Cables – 38-168mm
Thorne & Derrick International, based in the UK, distribute the complete range of cable cleats and cable hangers manufactured by Ellis Patents including 2 Hole plastic cleats for short circuit retention and cable protection of LV (Low Voltage), MV (Medium Voltage) and HV (High Voltage) cable systems in single-way or trefoil installation.
Ellis Patents 2 Hole cable clamps are plastic single cable cleats for cable diameters ranging from 38-168mm – designed to provide an excellent flame retardant solution with very low emissions of toxic fumes and smoke.
The 2 hole plastic cable cleats are suited to 38-168mm cable diameters with a double bolt hole fixing and are used to fix power cables in both indoor and outdoor applications.
The plastic cable cleats are available in black polypropylene, black flame retardant zero halogen phosphorus free nylon (LSF) and made to order London Underground approved material (LUL) to support, clamp and retain power, S&T rail cables.
International Standard IEC 61914:2009
Ellis Patent cable cleats with international specifications are used to clamp and retain LV MV HV cables including 11kV and 33kV networks depending on short-circuit calculations according to IEC61914 calculations.
Installing Cable Cleats
Installation instructions for single way cables using 2 Hole Cable Clamps manufactured by Ellis Patents:
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1. Position the cable clamp and fixing (not supplied) onto the support structure | 2. Install cable | 3. Locate the other half of the cable clamp. Secure with a nut and washer (not supplied) to the support structure and tighten | 4. Important: Do not over tighten the clamp. The clamp should secure the cable but does not need to be so tight that the cable bulges at either side of the clamp or becomes angled excessively |
Ellis Patents 2 Hole Cable Clamps Testing Information
Should you require test samples or further specification details about 2 hole cable clamps please contact us:
Properties | BS EN 61914:2009 Classification Clause | Units / Classification (B) | Units / Classification (LSF) | 2 Hole Single Cable Clamp Application Test Data (B) | 2 Hole Single Cable Clamp Application Test Data (LSF) |
Cleat Type | 6.1, 6.1.3 | Non-Metallic | Non-Metallic | – | – |
Impact Resistance | 6.2, 6.3.5, 9.2 | Very Heavy Classification (>6.7kg at 300mm) | Very Heavy Classification (>6.7kg at 300mm) | Pass | Pass |
Resistance To Electro Mechanical Force | 6.4, 6.4.3, 9.5 | Refer to Ellis Patents for further details | kA at 600mm Centres. 4 Core SWA Cable (3 cores used) | Refer to Ellis Patents for further details | 76 Peak (Report No. PDL-10.150) 114 Peak (Report No. PDL-15.025.2) |
kA at 200mm phase spacing 1000mm cleat spacing | 114 Peak (Report No. PDL-15.025.2) | ||||
Temperature for Permanent Application | 6.2 | ºC | ºC | -40 to +60 | -40 to +60 |
Needle Flame Test | 10.0, 10.1 | Application Time (seconds) | Application Time (seconds) | > 30 | > 120 |
Lateral Load Test | 9.3 | Newtons (N) | Newtons (N) | 7330 to 15000 (depending on size) | 18400 to 40000 (depending on size) |
Axial Movement Test | 9.4 | Newtons (N) | Newtons (N) | 1200 | 2000 |
Ellis Patents 2 hole Plastic CABLE CLEAT – Single Cable Application Selection Table
➡ The following selection table provides information to enable the specification or purchase of the correct 2 hole cable cleat – contact Thorne & Derrick for further technical information, installation advice, samples or to place an order.
2 Hole Plastic Cable Cleats Part Number | Material Suffix | Cable Dia Range (mm) | Dimensions (mm) | Fixing Hole | Pack Qty | Weight (g) | |||||
W | H | D | P | B | LSF | LUL | |||||
2F-07 | B/LSF/LUL | 38-46 | 92 | 60 | 54 | 68 | 2 x M10 | 25 | 73 | 91 | 119 |
2F-08 | B/LSF/LUL | 46-51 | 103 | 71 | 54 | 79 | 2 x M10 | 25 | 81 | 110 | 132 |
2F-09 | B/LSF/LUL | 51-57 | 103 | 76 | 54 | 79 | 2 x M10 | 25 | 95 | 119 | 155 |
2F-10 | B/LSF/LUL | 57-64 | 103 | 82 | 54 | 79 | 2 x M10 | 25 | 89 | 123 | 156 |
2F-11 | B/LSF/LUL | 64-70 | 130 | 89 | 54 | 106 | 2 x M10 | 10 | 116 | 157 | 189 |
2F-1200 | B/LSF/LUL | 70-76 | 128 | 95 | 75 | 104 | 2 x M12 | 10 | 148 | 200 | 300 |
2F-1201 | B/LSF/LUL | 76-83 | 135 | 100 | 75 | 111 | 2 x M12 | 10 | 163 | 220 | 330 |
2F-1202 | B/LSF/LUL | 83-90 | 143 | 108 | 75 | 119 | 2 x M12 | 10 | 183 | 248 | 343 |
2F-131 | B/LSF/LUL | 90-97 | 165 | 115 | 100 | 138 | 2 x M12 | 5 | 318 | 430 | 645 |
2F-132 | B/LSF/LUL | 97-105 | 171 | 122 | 100 | 144 | 2 x M12 | 5 | 333 | 450 | 675 |
2F-141 | B/LSF/LUL | 105-112 | 178 | 130 | 100 | 151 | 2 x M12 | 5 | 376 | 508 | 762 |
2F-142 | B/LSF/LUL | 112-120 | 187 | 138 | 125 | 160 | 2 x M12 | 5 | 483 | 653 | 980 |
2F-151 | B/LSF/LUL | 120-128 | 196 | 148 | 125 | 168 | 2 x M12 | 5 | 537 | 716 | 1074 |
2F-152 | B/LSF/LUL | 128-135 | 203 | 158 | 125 | 176 | 2 x M12 | 5 | 579 | 772 | 1158 |
2F-161 | B/LSF/LUL | 135-144 | 222 | 168 | 150 | 190 | 2 x M16 | 5 | 831 | 1109 | 1663 |
2F-162 | B/LSF/LUL | 144-152 | 232 | 179 | 150 | 200 | 2 x M16 | 5 | 902 | 1203 | 1804 |
2F-171 | B/LSF/LUL | 152-160 | 242 | 190 | 150 | 210 | 2 x M16 | 5 | 976 | 1301 | 1951 |
2F-172 | B/LSF/LUL | 160-168 | 252 | 201 | 150 | 220 | 2 x M16 | 5 | 1052 | 1403 | 2105 |
Cable Cleats v Cable Ties
The Video produced by Ellis Patents provides compelling evidence of the need to ensure all cables are adequately supported and retained to cable containment to protect against the devastating effects of short circuit faults: 118kA Short Circuit Fault Current | 0.1 Seconds Duration | 480V Low Voltage Cables.

Cable Lugs | Cable Glands | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV 11kV 33kV