March 2013
Intermediate to advanced
268 pages
7h 44m
English
Content preview from Technical Design Solutions for Theatre
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Sliding Electrical Contacts |
Arthur Oliner |
Sliding electrical contacts provide an easy way to get power to electrically operated devices mounted on tracked pallets or free-rolling wagons. The use of such contacts, which can cany either audio signals or electrical currents, eliminates the need for cable that must be paid in and out as the pallet or wagon moves. Sliding electrical contacts are easily constructed in the shop.
FIGURE 1: BRUSH & PLATE CONTACTS
OPERATION
The contact consists of two components: a flexible brush, and a contact plate. The brush, a curved piece of copper or brass, is mounted on the underside of a wagon to bear on the ...
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