The Rundown
Topics: Outdoor Lighting, Safety | 1 min read
Using mains-powered lighting outdoors in poor weather is a common concern, and a legitimate one. Electricity and rain are not natural companions.
Safety is paramount, and it is not only about protecting equipment. A fixture that lets water in can trip a supply mid-event, or in the worst case become genuinely dangerous to people nearby.
The answer lies in the IP rating - Ingress Protection - which measures how resilient a piece of equipment is to dust and water.
Here is what those ratings mean in practice, what we specify for outdoor work, and what else needs protecting alongside the fixtures.
IP Ratings
What It Measures
The IP rating indicates how well equipment resists the intrusion of foreign objects and water.
It is expressed as two digits. The first covers solids - dust and debris. The second covers liquids, which in the UK is almost always the one that matters.
What We Specify
For outdoor events, all lighting equipment is selected with a minimum rating of IP44, with IP55 as the preference.
That is a deliberate floor rather than a guideline. Anything below it does not go outside.
IP44
An IP44 rating means equipment will withstand light showers and splashing water.
For a summer evening event with a low risk of rain, and where fixtures can be positioned with some shelter, that is adequate.
IP55
For events exposed to heavy rain we specify IP55.
These fixtures are sealed tightly enough to prevent water penetrating the appliance at all.
That prevents supplies tripping out mid-show, and eliminates the risk of electricity being transmitted where it should not be - which is the genuine safety concern rather than simply an operational one.
Beyond the Fixtures
The Weakest Point
A well-sealed fixture connected with unsealed cabling is not a protected installation.
Connectors, distribution boxes and control equipment all need the same consideration as the lights themselves. Water finds the join, not the housing.
Cable Management
Keep connections off the ground where possible, and out of anywhere water will pool.
Ground conditions change. A dry patch on a site visit can be standing water after two days of rain and a few hundred people walking over it.
Covered Is Not Sealed
Placing indoor-rated equipment under a canopy or in a marquee helps but does not make it outdoor kit.
Wind-driven rain reaches under cover, and condensation forms inside enclosures overnight regardless of whether it rained.
Longevity
The sealed design that keeps water out also keeps dust and debris out, which contributes directly to the reliability and lifespan of a fixture.
Equipment specified properly for outdoor use lasts longer, which matters when it is going out on hire repeatedly.
Planning Outdoors
Specify for the Worst Case
Work from the worst conditions the installation could realistically face rather than the forecast.
A one-evening event in July is a different specification to a trail running for six weeks through November, and the second needs equipment that tolerates sustained wet and temperature swings.
Consider the Derig
Equipment often comes down in worse conditions than it went up.
Plan for handling wet kit safely, and for the fact that a site which was firm on build day may not be.
Ask the Question Early
IP requirements affect what can be specified, which affects cost and availability.
Raising it at design stage is straightforward. Discovering a fixture cannot go outside on the day of the build is not.
Peace of Mind
Selecting equipment with appropriate IP ratings means attendees can enjoy an event without any concern about electrical safety, and organisers can stop watching the forecast.
Premier Live carries a full range of IP-rated lighting for outdoor use. Get in touch on 0116 202 9953 or info@premier-ltd.com.
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