![electrical - What is the purpose of the "grounding" tab/wire on a 3-prong to 2-prong adapter? - Home Improvement Stack Exchange electrical - What is the purpose of the "grounding" tab/wire on a 3-prong to 2-prong adapter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/r2tfZ.png)
electrical - What is the purpose of the "grounding" tab/wire on a 3-prong to 2-prong adapter? - Home Improvement Stack Exchange
![DCC Concepts - DCD-3WH.3 - Zen 3-Wire Stay Alive Adapter Pack for ESU and Lenz Decoders | Roxley Models DCC Concepts - DCD-3WH.3 - Zen 3-Wire Stay Alive Adapter Pack for ESU and Lenz Decoders | Roxley Models](https://www.roxleymodels.co.uk/images/products/model-railway/railway-accessories/dcc--concepts/DCD-3WH-3.jpg)
DCC Concepts - DCD-3WH.3 - Zen 3-Wire Stay Alive Adapter Pack for ESU and Lenz Decoders | Roxley Models
![2-to-3-Wire Splice-in Trailer Taillight Converter, Electrical System Wire Harness Adapter US Type : Amazon.co.uk: Automotive 2-to-3-Wire Splice-in Trailer Taillight Converter, Electrical System Wire Harness Adapter US Type : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/61J+0iQBOCL._AC_UF894,1000_QL80_.jpg)
2-to-3-Wire Splice-in Trailer Taillight Converter, Electrical System Wire Harness Adapter US Type : Amazon.co.uk: Automotive
![SAE DC Power Automotive Connector Cable Y Splitter 1 to 3 SAE Extension Wire Harness 16AWG 2ft : Amazon.co.uk: Automotive SAE DC Power Automotive Connector Cable Y Splitter 1 to 3 SAE Extension Wire Harness 16AWG 2ft : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/517AE3n+XlL._AC_UF894,1000_QL80_.jpg)
SAE DC Power Automotive Connector Cable Y Splitter 1 to 3 SAE Extension Wire Harness 16AWG 2ft : Amazon.co.uk: Automotive
![3 Pin Alternator Repair Plug Gm Nippon Denso Connector Pigtail Mure PL – Mid-Ulster Rotating Electrics Ltd 3 Pin Alternator Repair Plug Gm Nippon Denso Connector Pigtail Mure PL – Mid-Ulster Rotating Electrics Ltd](http://www.rotatingelectrics.co.uk/cdn/shop/products/57_5acdb7a0-40e3-45b6-978d-5fc491d3ac5f.jpg?v=1609412592)
3 Pin Alternator Repair Plug Gm Nippon Denso Connector Pigtail Mure PL – Mid-Ulster Rotating Electrics Ltd
![TE 3 Pin FCI Auto Crankshaft Sensor Plug Wiring Harness Waterproof Electronic Connector 1801179-1 1801179 For Citroen Peugeot - AliExpress TE 3 Pin FCI Auto Crankshaft Sensor Plug Wiring Harness Waterproof Electronic Connector 1801179-1 1801179 For Citroen Peugeot - AliExpress](https://ae01.alicdn.com/kf/S78151f1451e3450fb49d1698934f420cp/TE-3-Pin-FCI-Auto-Crankshaft-Sensor-Plug-Wiring-Harness-Waterproof-Electronic-Connector-1801179-1-1801179.png)