Recently picked up some Wago 221 wire connectors and was able to save one of my favorite strings (1000L LED, 70' Holiday Bright Lights). Highly recommend if you need to repair broken

WAGO 221 Lever Nuts 78pc Compact Splicing Wire Connector

WAGO 221 Series

WAGO 221-2401 20pc Inline Splicing Wire Connectors Pack

Wago 221-612 Lever-Nuts 10AWG 2 Conductor Compact Wire Connectors

Wago 221-413 Lever-Nuts 3 Conductor Compact Connectors 10 PK

how can I find out which wire is positive and ground? : r

WAGO 221-412/996-010 2-Wire Lever Nuts Conductor Compact Splicing

WAGO 221 Series

WAGO 221-412/996-010 2-Wire Lever Nuts Conductor Compact Splicing

Wago 221-612 Lever-Nuts 10AWG 2 Conductor Compact Wire Connectors

WAGO 221 Series

WAGO 221-413 LEVER-NUTS 3 Conductor Compact Splicing Connectors