The evacuation indicator light is usually located on the wall not too far from the ground.

4.5. 1 1 The installation of the direction sign lamp shall meet the following requirements:

1 Make sure that the direction indicated by the arrow of the signal light is consistent with the evacuation indication scheme.

2 When installed on walls or columns on both sides of evacuation walkways and passages, the height of the bottom edge of the sign lamp from the ground should be less than1m..

3 When installed above evacuation walkways and passages:

1) In places where the indoor height is not more than 3.5m, the height between the bottom of the sign lamp and the ground should be 2.2m ~ 2.5m；;

2) In places with indoor height greater than 3.5m, the height of the bottom edge of extra-large, large and medium-sized sign lamps from the ground should not be less than 3m or more than 6m.

4 When installed above or on both sides of the corner of the evacuation walkway and passage, the distance between the marker lamp and the side wall of the corner should not be greater than1m..

5 When the exit or the evacuation door is at one side of the evacuation aisle, the directional sign light added on the evacuation aisle should be installed at the top of the evacuation aisle, the sign surface of the sign light should be perpendicular to the evacuation direction, and the arrow should point to the exit or the evacuation door.

6 When installed on the ground of evacuation walkways and passages, the following requirements shall be met:

1) A sign lamp shall be installed in the center of the evacuation walkway and passage;

2) All metal components of the sign lamp should be made of corrosion-resistant components or treated with anti-corrosion, and the connection of power distribution and communication lines of the sign lamp should be sealed with sealant;

3) The surface of the marker lamp should be parallel to the ground, the distance above the ground should not be greater than 3mm, and the vertical distance between the edge of the marker lamp and the ground should not be greater than1mm. ..

4.5. 12 A floor marker lamp should be installed on the front wall of the stairwell facing the stairs, and the height of the bottom edge of the marker lamp from the ground should be 2.2m~2.5m.

The evacuation indicator light is generally set at a position not higher than the ground.