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Lighting Glossary
Term:
Protection Type
The protection type ensures the operational safety of lamps. Protection is specified by an IP code (Ingress Protection), with a double key. The first number (1 to 6) specifies the extent of the protection against the ingress of foreign bodies; the second number (1 to 8) identifies the humidity protection grade. A higher grade of protection always contains the lower grades as well. If one or both protection grade numbers are unspecified, a capital "X" for "untested" will be in its place.
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