Electrical Inspection Report NICEIC

This glossary explains some of the terms you may see in electrical reports.

BS  - British Standard

Circuit  - An assembly of electrical equipment supplied from the same origin and protected against overcurrent by the same protective device(s).

Circuit-breaker - A device capable of making, carrying and breaking normal load currents and also making and automatically breaking, under predetermined conditions, abnormal currents such as short-circuit currents. It is usually required to operate infrequently although some types are suitable for frequent operation.

Consumer unit  - Also known as a fusebox, consumer control unit or electricity control unit. A particular type of distribution board comprising a co-ordinated assembly for the control and distribution of electrical energy, principally in domestic premises, incorporating manual means of double-pole isolation on the incoming circuit(s) and an assembly of one or more fuses, circuit-breakers, residual current operated devices or signalling and other devices purposely manufactured for such use.

Distribution board  - An assembly containing switching or protective devices (e.g. fuses, circuit-breakers, residual current operated devices) associated with one or more outgoing circuits fed from one or more incoming circuits, together with terminals for the neutral and protective circuit conductors. It may also include signalling and other control devices. Means of isolation may be included in the board or may be provided separately.

LV  - Low Voltage

Overcurrent  - A current exceeding the rated value. For conductors the rated value is the current-carrying capacity.

PIR  - Periodic Inspection Report

RCD - Residual current device

Ring final circuit  - A final circuit arranged in the form of a ring and connected to a single point of supply

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