Introduction for NLL tension clamp:

The tension clamp is one type of single tension hardware fittings,  it is mainly used on the overhead transmission lines or distribution lines. The tension clamp is also called dead end clamp or strain clamp, it is one kind of transmission line clamps.Tension clamps are used to fix conductor and ground wire through insulators or link fitting to tower arms or substation structrues.
 
The NLL series of bolt type dead end clamp the main body is made from material high strength aluminum alloy which meets the requirements of standard specification the latest issue of BS.

NLL tension clamp picture:
NLL tension clamp parameters:

Type No. Conductor Dia
(mm)
L
(mm)
L1
(mm)
C
(mm)
M
(mm)
Bolts
(mm)
Failing load
(kN)
NLL-1 5-10 135 130 19 16 2*M12 40
NLL-2 10-14 163 160 21 16 2*M12 40
NLL-3 14-18 240 195 26 16 3*M12 70
NLL-4 18-24 260 250 34 18 2*M12 100
NLL-5 24-28.5 324 280 35 22 5*M16 120
NLL-6 28.5-46 490 375 50 22 5*M16 120