
1) Electric power distribution
Found on
https://www.crosswordclues.com/clue/consumer-unit

A consumer unit is a type of distribution board (a component of an electrical power system within which an electrical power feed provides supply to subsidiary circuits). == UK == `Consumer Unit (may also be known as a consumer control unit). A particular type of distribution board comprising a type-tested co-ordinated assembly for the control and....
Found on
http://en.wikipedia.org/wiki/Consumer_unit
[economics] In economics, a consumer unit is defined as either (1) all members of a particular household who are related by blood, marriage, adoption, or other legal arrangements; (2) a person living alone or sharing a household with others or living as a roomer in a private home or lodging house or in permanent living quarters in a hotel o...
Found on
http://en.wikipedia.org/wiki/Consumer_unit_(economics)

Also known as the fuse box, this is the box (normally in the cellar or a cupboard near to your meter) where the fuses or circuit breakers are.
Found on
http://www.encyclo.co.uk/local/21604

Commonly known as the fusebox, the consumer unit is the part of the meter board which separates the incoming electrical supply into the various lighting and ring main circuits. Each of these circuits is protected by either a fuse or miniature circuit breaker (MCB)
Found on
http://www.users.zetnet.co.uk/computing/MainPage/SecDepts/Physics/Resources
No exact match found.