On 11/1/19 7:57 am, David McLoughlin wrote:
>  in Glenmore Street, Wellington, on the 3 Karori Park route.  The

> electrically knowledgeable among us might be able to tell us how it works..

>

>

It's 'feature' appears to be easily replaceable segments and the 'arc
chute' to pull the arc upwards and extinguish it.

I notice that the two bits were the arc would form are separate segments
, joined with short link wires.

In the event a section needs to be isolated for works, the link wires
would be disconnected by the crew setting up the exclusion zone making a
large dead gap that the shoe wouldn't be able to bridge.