First Number
Protection against solid objects

Second Number
Protection against liquids

IP

TESTS

IP

TESTS

0

no protection

0

no protection

1

protected against solid objects up to 50mm e.g. accidental touch by hands

1

protected against vertically falling drops of water e.g. condensation

2

protected against solid objects up to12 mme.g. fingers

2

protected against direct sprays of water up to 15° from the vertical

3

protected against solid objects over2.5 mm(tools and wires)

3

protected against sprays to 60° from the vertical

4

protected against solid objects over 1mm (tools, wires and small wires)

4

protected against water sprayed from all directions, limited ingress permitted

5

protected against dust-limited ingress (no harmful deposit)

5

protected against low pressure jets of water from all directions, limited ingress permitted

6

totally protected against dust

6

protected against strong jets of water e.g. for use on ship decks, limited ingress protection

7

protected against the effects of immersions between15 cmand1 m

8

protected against long periods of immersion under pressure