emergency power-supply units and the 9.6VDC/115VAC inverter of the power supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
**ON A/C 051-099,
(6) With the EMER EXIT LT switch 4WL in the ON position, the power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs, the escape hatch-handle lights and the floor proximity lights come on. The 28VDC/6VDC converter of the power supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
**ON A/C 106-149, 229-299,
(6) With the EMER EXIT LT switch 4WL in the ON position, the emergency power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs, the escape hatch-handle lights and the wall-mounted exit-marking signs come on. The 28VDC/6VDC converter of the emergency power-supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
**ON A/C 159-199, 210-228,
(6) With the EMER EXIT LT switch 4WL in the ON position, the emergency power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs, the escape hatch-handle lights and the floor proximity lights come on. The 28VDC/6VDC converter and the 6VDC/115VAC inverter of the emergency power-supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 33-51-00Page A49 1201-299, 1Aug 01/05 1 1 1CES 1
**ON A/C 301-302,
(6) With the EMER EXIT LT switch 4WL in the ON position, the emergency power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs and the floor proximity lights come on. The 28VDC/6VDC converter and the 6VDC/115VAC inverter of the emergency power-supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
**ON A/C 303-399,
(6) With the EMER EXIT LT switch 4WL in the ON position, the emergency power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs and the wall-mounted exit-marking signs come on. The 28VDC/6VDC converter of the emergency power-supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
R **ON A/C 401-499,
R R R R R R R R (6) With the EMER EXIT LT switch 4WL in the ON position, the power-supply units control-line ON is grounded. This control line also has a ground connection, when the LIGHT EMER pushbutton switch on the forward attendant panel 120RH is pushed. In either case the cabin emergency lights, the exit signs and the floor proximity lights come on. The 28VDC/6VDC converter of the emergency power-supply units supply these loads as long as the 28VDC essential busbar power is available. If the essential busbar fails see above.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(7) With the passenger/crew doors open and the escape slides armed, independent of switch positions, the integral lights in the respective escape slides come on. With the emergency exit hatches removed and the escape slides released, independent of switch positions, the integral lights in the respective escape slides and two overwing lights at these hatches come on.
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