3M™ Scotchlok™ Electrical Insulation Displacement Connector electrically connects a (tap) wire end to a through (run) wire, while insulating the connection. This connector is greased and provides a moisture-resistant connection. It is also flame retardant and is designed for tape and parallel splicing. It features a maximum insulation O.D. diameter of 0.120 inches (3.05 mm) and an operating temperature of 221 degrees Fahrenheit (105 degrees Celsius). The suggested application tool for the 3M™ Scotchlok™ Electrical Insulation Displacement Connector, 557, is 3M™ Scotchlok™ Crimping Tool, E-9BM.
3M™ Scotchlok™ Insulation Displacement Connector 557 is 600V rated for building wire and 1000V rated for signs, fixtures and luminaires. It withstands temperatures of 221 degrees F (105 degrees C). UL Listed, CSA Certified and RoHS 2011/65/EU Compliant.
| Brands | Scotchlok™ | |
| CSA File Number | LR15503 | |
| Conductor Sizes (Imperial) | 16 AWG, 22 AWG | |
| Conductor Sizes (Metric) | .34 mm², 1.5 mm² | |
| Connection Type | Pigtail | |
| Flame Retardant | Yes | |
| Insulation Outer Diameter (Imperial) | 0.12 in | |
| Material | Insulator: FR Polypropylene, U-contact: Tin-plated Brass | |
| Minimum Conductor Size (Imperial) | 22 AWG | |
| Moisture Resistant | No | |
| Run Maximum Insulation Outer Diameter (Imperial) | 0.12 in | |
| Run Maximum Insulation Outer Diameter (Metric) | 3.05 mm | |
| Tap Maximum Insulation Outer Diameter (Imperial) | 0.12 in | |
| Tap Maximum Insulation Outer Diameter (Metric) | 3.05 mm | |
| UL File Number | E23438 | |
| Units per Case | 1000 | |
| Voltage Application | Low Voltage |