Traction current supply is supervised by Lewisham, Selhurst and Brighton electrical control rooms which will be superseded by the Three Bridges ROC.
32.
One of them is an electrical control box, with a speed adjustment knob, attached to the main box by an electrical cable.
33.
The main line is electrified at 25 kV AC using overhead wires and comes under the control of Romford Electrical Control Room.
34.
Because oBIX integrates with the enterprise, it enables mechanical and electrical control systems to provide continuous visibility of operational status and performance.
35.
As electronics improved, and electrical control systems with them, it became increasingly easy to build an " active track " using electromagnets.
36.
One of his first projects was to design a line of electrical controls for Cutler-Hammer and a corporate logo for the company.
37.
Factory electrification brought simple electrical controls such as ladder logic, whereby push buttons could be used to activate relays to engage motor starters.
38.
Electrical controls accounted for nearly half of 1997 revenues, with process controls making up a third, and industrial technology, less than a fifth.
39.
The transmission was replaced with a modified design, for which Mickleover obtained a patent, and the electrical control gear was made more robust.
40.
FLG grew out of a business founded by Rudolf Loh in 1961 after inventing the " first mass-produced enclosures for electrical control systems ".