Insulators in Action 2003
Newport - May 2003
These are GPO, double groove, Bullers No.16 potheads and unlike ceramic potheads used for the railways they seem to keep their ceramic lids longer
A large sectional ring is normally used to support the array of connections, though difficult to see in this shot, it would seem that eight sections are required for a full circle. Small vertical stays brace the ring.
Potheads in a typical urban setting and use