Stefek Zaba wrote
| | 15 lights
| | 50W per light
| That'll be 2 new lighting circuits then, as each point must
| be rated at 100W
| To be fair, not if they're limited to taking lamps only available in
| 50W max - such as LV halogens. Haven't exhaustively scanned for any
| GU10-style mains halogens above 50W, but if they don't exist then
| 50W per lighting point is reasonable for them too.

I take 100W per mains lighting point because the fittings could be replaced
with 60W or even 100W spots, in another style if not GU10, but the
transformer as one point at actual rating, because that is the end of the
mains wiring.

Owain