IP00 vs IP33
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP00 and IP33 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 0 vs 3) and liquid protection (level 0 vs 3). IP00 is rated for no protection and no protection, while IP33 provides > 2.5 mm — tool / wire and spraying water (up to 60°).
IP00 offers no protection against solid objects or moisture. It is suitable only for indoor, climate-controlled environments where the equipment is fully enclosed within another protective housing.
IP33 protects against tools and 2.5 mm objects plus spraying water up to 60° from vertical. A practical rating for indoor equipment subject to light spray or for sheltered outdoor fixtures.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP00
0 — No Protection
IP33
3 — > 2.5 mm — Tool / Wire
Liquid protection (second digit)
IP00
0 — No Protection
IP33
3 — Spraying Water (up to 60°)
Dust-tight
IP00
No
IP33
No
Water-jet resistant
IP00
No
IP33
No
Submersible
IP00
No
IP33
No
Outdoor suitable
IP00
No
IP33
No
The exact difference (IP00 vs IP33)
Solid protection
IP00
Level 0 — No Protection
IP33
Level 3 — > 2.5 mm — Tool / Wire
IP00 provides "No Protection" (level 0), while IP33 provides "> 2.5 mm — Tool / Wire" (level 3). IP33 is 3 levels higher.
Liquid protection
IP00
Level 0 — No Protection
IP33
Level 3 — Spraying Water (up to 60°)
IP00 provides "No Protection" (level 0), while IP33 provides "Spraying Water (up to 60°)" (level 3). IP33 is 3 levels higher.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP33 offers higher overall protection than IP00. Choose IP33 for harsher environments; IP00 may suffice for milder conditions and can be more cost-effective.