SING LTD Electrical Connectors Connections Review

[Feature]: Safely and efficiently. The flame retardant shell provides safety and insulation without pre-twisting wire is no needed. Using without soldering or electrical tape, no tools necessary. [How to use]: Cone shaped spring pull the wires into connector and screw on, spring insert ensure a stable connection when working on wiring projects. [Usage]: The twist on electrical connectors are great for home theater, speaker wire, wiring, automotive, marine wiring projects, commercial or residential applications etc. [Package listing]: Total is 5-color 200pcs, packed in a organizer storage box to keep different size wire connectors separately. [Maximum rated voltage]: Grey, blue and orange (300 Volts), yellow and red (600 Volts).