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Operating Your ARRI Lampheads Safely
The following instructions contain helpful advice on how to operate your ARRI lamphead safely. Lampheads, lamphead
systems and accessories may only be operated and used by qualified persons and only for professional lighting purposes.
Relevant operating instructions must be followed for the equipment you are using. Please also refer to the Ordinance on
Industrial Safety and Health as well as the relevant guidelines and regulations of your national Industrial Injuries Corporation
(e.g. BGI 810-1, -3 and -4, BGV A1 for Germany; OSHA or ESTA for USA; etc.).
1. General Safety Requirements for Operating Lamphead Systems
In order to ensure the safe operation of lampheads we bring to your attention a number of safety requirements in addition to
those stated in the operating instructions for your equipment.
a) Safety Requirements for Transport, Setup and Operation of Lampheads
• We recommend wearing suitable protective clothing when working with lampheads in order to prevent injuries and
burns.
• In the interest of your own health and safety, we advise you to consider the weight of your lamphead and
accessories when carrying or lifting them and to observe the relevant precautions recommended by your
Occupational Safety and Health Administration (for Germany BGI 810-1).
• Please ensure that all connection cables are routed in such a way as to prevent tripping hazards and damage by
vehicles. You can achieve this with the help of suitable signs, covers or cable crossovers.
b) Safety Requirements Concerning Electrical Danger
• Please check the lamphead system and its electrical protection device before each use.
• The faultless function of the power supply and protection system must be ensured before connecting the
lamphead (e.g. grounding, circuit breaker).
• It might be necessary to install additional protection measures; for example:
- the application of residual current operated protective devices (RCDs)
- the application of safety extra low voltage, protective separation or protective insulation
- equipotential bonding.
c) Safety Requirements Concerning Fire, Burns and Radiation (UV, VIS, IR)
Always observe the minimum distances stated on the type plate or in the operating instructions to allow light and heat
radiation to disperse safely. This will prevent danger to persons and objects.
Fire Hazard and Danger of Burns
• Lampheads must be placed at sufficient distance from flammable materials or objects. The minimum distance to
lit objects written on the lamphead describes a max. temperature of 90°C in spot-focus on the lit object.
• Do not cover any ventilation slots on the lamphead.
• Lamphead housings can reach high temperatures. Make sure the lamphead cannot be inadvertently manipulated
and general public cannot burn themselves by touching the lamphead. This is crucial within a height of 2.5 m
(8 ft.) above floor level.
• Always observe the minimum distance to flammable objects when you expose them to a strongly focused beam
of light.
• Do not move the lamphead past the tilt angle stated on the type plate and in the operating instructions, as this
might cause the lamphead to overheat.
• Do not operate the lamphead with closed barndoors or an excessive number of scrims, as this might also cause
overheating.
Danger Caused by Radiation (UV, VIS, IR)
• The UV radiation of daylight lampheads can cause injuries to persons and animals (e.g. sunburn). The minimum
distance stated on the type plate and in the operating instructions specifies the distance at which exposure to the
beam of light for up to eight hours per day will not cause harm.
• The glare of the lamphead may result in impaired vision which in turn may cause accidents (e.g. on landings or in
street traffic).
• Please take appropriate precaution when lighting glass, windows and decorative surfaces. These materials can
burst when they become hot and their splinters might cause injuries.
2. Directions for the Use of Lampheads
Always make sure that your lampheads are adequately mounted, located, secured and monitored when operated.
a) Operating Lampheads in Studios or on Location and Exposing them to Special Environmental Effects
(wet conditions, dust, foreign particles)
The protection degree (IP-Code) of the lamphead has to comply with the environmental effects (dust, wet conditions, rain).
The minimum required IP numbers for lampheads are:
• Protection degree IP x0 for interiors such as theatres or studios as well as sunny outdoor situation
• Protection degree IP x1 (drip proof) for humid and wet areas in rooms as well as protected outdoor areas
• Protection degree IP x3 (rain proof) for unprotected outdoor areas
Lampheads and all components that do not feature the necessary protection degree have to be protected by additional
suitable means, such as weatherproof position, protective roofs or covers. In these cases it is important to ensure that
airflow around the lamphead is not restricted.