What are Forms of Separation – Form 4b Type 5

Form 4b Type 5
Assemblies require the termination of all associated external conductors, both line and neutral, within the device. Separate common neutral bars do not fulfil this requirement.
Form 4b Type 5 also requires the separation of;
Busbars from devices
Devices from each other
Terminals for external conductors from other terminals and from the busbars
Separation of terminals to be achieved by insulated coverings….

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