| Cover Page | Oct. 30, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 30, 2020 |
| Entity File Number | 001-38265 |
| Entity Registrant Name | nVent Electric plc |
| Entity Incorporation, State or Country Code | L2 |
| Entity Tax Identification Number | 98-1391970 |
| Entity Address, Address Line One | The Mille, 1000 Great West Road, 8th Floor (East) |
| Entity Address, City or Town | London |
| Entity Address, Postal Zip Code | TW8 9DW |
| Entity Address, Country | GB |
| Country Region | 44 |
| City Area Code | 20 |
| Local Phone Number | 3966-0279 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Ordinary Shares, nominal value $0.01 per share |
| Trading Symbol | NVT |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001720635 |
| Amendment Flag | false |
