Published: 5 November 2004
Category: Q&A
Find out here...
Answer:
The Standard that all Consumer Units for use in the UK must comply to is BS EN 60439 annex ZA, many enclosures are only manufactured to as Partially Type Tested Assemblies (PTTA).
The Standard that all Consumer Units for use in the UK must comply to is BS EN 60439 annex ZA, many enclosures are only manufactured to as Partially Type Tested Assemblies (PTTA).