IP44 is a common designation for lighting.
4 - as the first digit means anything smaller than 1mm in size will not get through the membrane.
4 - as second digit means resistant to water splashes.
IP44 cannot be used when there is exposure to water jets (but not high pressure or high temperature water jets)
IP65 is the recommended minimum requirement when water jets are involved.
Bulbs without IP markings are by default IP20 which means protection from solid objects but no protection from water.
4 - as the first digit means anything smaller than 1mm in size will not get through the membrane.
4 - as second digit means resistant to water splashes.
IP44 cannot be used when there is exposure to water jets (but not high pressure or high temperature water jets)
IP65 is the recommended minimum requirement when water jets are involved.
Bulbs without IP markings are by default IP20 which means protection from solid objects but no protection from water.
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