1. Different applicable places
1. Nll-2 strain clamp: applicable to 10kV and below overhead lines.
2. Nld-2 strain clamp: used for corner, connection and terminal connection. Spiral aluminum clad steel wire has very strong tensile strength and no concentrated stress, which plays a role in protecting and assisting vibration reduction of optical cable.
2. Different functions
1. Nll-2 tension clamp: fix aluminum stranded wire or steel core aluminum stranded wire on the tensi...