Emergency Light Installation Height

It is important to consider this at all times before installation of any emergency lighting.

Emergency light installation height.

Emergency lighting must remain illuminated for at least 90 minutes. Standard mounting height of 7 5ft illuminates 1 footcandle fc spaced at 18ft for a 3ft path of egress. To check press the push to test switch the light inside. The majority of emergency lighting systems have slc sealed lead calcium.

5 5 0 0 g l e n d o n c o u r t s u i t e 3 6 0 d u b l i n oh 4 3 0 1 6 1 877 3 6 0 3 6 0 8 w w w. An emergency lighting installation may be either a central standby source such as a bank of lead acid batteries and control gear chargers supplying slave fittings throughout the building or may be constructed using self contained emergency fittings which incorporate the lamp battery charger and control equipment. These safety fixtures must however must be connected directly to the ac power circuit. After 1 5 hours the illumination level may decline.

The emergency lighting must be arranged to provide initial illumination of not less than an average of one foot candle 10 8 lux and a minimum at any point of 0 1 foot candle 1 1 lux measured along the path of egress at floor level. Osha codes and regulations stipulate that the entire egress route be lighted to a minimum level of 1 candlepower measures at a height of 1 foot above the floor. Normal operation of this unit should then take effect. How to install emergency exit lighting.

Using a cord set is not approved in most cities and reduces the effectiveness of the battery backup unit. Standard mounting height of 7 5ft illuminates 1 footcandle fc spaced at 14ft for a 6ft path of egress. Illumination levels are allowed to decline to an average of 0 6 fc with a 0 06 fc minimum at the end of the 90 minute period. The battery in this unit may not be fully charged after electricity is connected to the unit let the battery charge for at least 24 hours.

Number the emergency light units so you can document and track the inspections and repairs. In the first 1 5 hours after a failure emergency lighting must provide an average of one foot candle and no less than 0 1 foot candle at any point along the path of egress. Most emergency lights and exit signs can be installed just like you would a commercial light fixture. Installation instructions dual head emergency lighting fixture important.

C o m reaching the exit quickly. The light source of unit used in an office with a mounting height of 7 9 feet will not work in a situation where the emergency light is mounted 18 feet above the floor.