olemus
seadet või selle osa maaga galvaaniliselt ühendama

Wiktionary:
verb
1. (UK, transitive) to connect electrically to the earth

(1a)
earthing -- seadme kere maandamine
grounding -- voolujuhtide maandamine
https://circuitglobe.com/difference-between-grounding-and-earthing.html

(1b)
earthing = grounding -- igasugune maandamine

ülevaateid
https://www.philadelphia.edu.jo/academics/mlazim/uploads/EI%20Lecture%20No.14.pdf

https://www.anixter.com/content/dam/Suppliers/Legrand/White%20paper%2011%20Bonding%20grounding%20and%20earthing%20final.pdf

http://engineering.electrical-equipment.org/iec-standard/types-of-earthing-as-per-iec-standards.html

http://www.sourceiex.com/Catalogs/Chapter%2020%20Earthing%20Regulations.pdf

https://en.wikipedia.org/wiki/Earthing_system

http://cbm-technology.com.pl/en/good-earthing-grounding-technical-information/electrical-consultants-zone/earthing-grounding-system-according-to-iec-bs-en-and-ieee-standards/

https://www.karma-group.ru/upload/iblock/357/MBPN-8NUGHP_R0_EN.88986661837d73505d9850351e85e29bce.pdf

standardeid
https://webstore.iec.ch/preview/info_iec61140%7Bed3.0%7Den_d.pdf

https://webstore.iec.ch/preview/info_iec60364-1%7Bed5.0%7Den_d.pdf

vt ka
- maa; muld; pinnas
- maandus (2)
- maandustähis