I have scanned and uploaded parts of some old electric wiring books as follows. Hope people enjoy them. All are PDFs. Electric Bells and Electric Light The Modern Plumber And Sanitary Engineer.
Probably about 1907-1920. 'The system of wood capping of electric wiring still has its advocates', you will be pleased to hear. http://s000.tinyupload.com/?file_id=20172276654097594028 Private Generating Plant The Modern Plumber and Sanitary Engineer
as above http://s000.tinyupload.com/index.php?file_id=05318465081941033788 Electric Wiring Tumbler Switch Circuits Electric Wiring, Fittings, Switches and Lamps.
W Perren Maycock Whittaker, London, 1917. 5th Revised Edition. Some old fuseboards. Tumbler switch circuits including Marvel, dimming filament lamps. Moore tubes. http://s000.tinyupload.com/index.php?file_id=86916598176245869948 Using Mineral Insulated Cables
(mentioned in another thread)The electrician's mate - a guide to using (mineral insulated) MICC cables
from BICC Cables. http://s000.tinyupload.com/index.php?file_id=32214511594611681284