F153.2 Balanced type running board for 2-bundle conductors, fit for connecting the pulling rope to 2 conductors. The running board is made up of:

• 1 sheave with balancing counterweights
• 1 swivel joint for the pulling rope
• 2 swivel joints for the conductors
• 1 length of antitwisting steel rope for balancing the conductors

F153.3 Balanced type running board for 3-bundle conductors, fit for connecting the pulling rope to 3 conductors. The running board is made up of:

• 1 sheave with balancing counterweights
• 1 swivel joint for the pulling rope
• 3 swivel joints for the conductors
• 2 lengths of antitwisting steel rope: 1 for the lateral conductors and 1 for the central conductor