On Tue, 24 Aug 2004 18:42:54 +0100, John Armstrong wrote:

"... 250 VOLT CMA (REGD) BRITISH INSULATED CALLENDERS CABLES LIMITED LEIGH
AND HELSBY ENGLAND..."
The conducters have 3 strands of copper each, not sure about size.

Hmm - I should ask my Dad - he did a stint with Callenders (before BI
merged I think). They had a most cool 1 MV test rig for insulation testing
- on big insulators right up in the air apparantly.