NEMA Enclosure Testing - NEMA 250 / UL50

Get help from Canada's #1 rated Ingress Protection test lab. Ingress Protection testing, or IP testing, measures the susceptibility of a component to both the ingress of solid particles (sand or dust) and water.
NEMA 250 & UL 50 type ratings: Type 1 - Type 13, including Type 1, 3R, 4, 4X, 6, 12

Contact an Expert

We help evaluate your enclosure for foreign object, dust and water against the NEMA 250/UL 50 standard for enclosure type rating.

Ingress Protection testing evaluates the resistance to particle and liquid entry for an enclosed product. After testing has been performed, the product receives a NEMA type rating, based on NEMA 250, according to the achieved resistance to solid particles and liquids. NEMA testing issues type ratings which carry a number of enclosure requirements, supplementary to solid and liquid ingress. EMTS specializes in all testing required for IP & NEMA type ratings.

We have the capability to evaluate your product for dust and water resistance according to the NEMA 250 standard for enclosure rating. To achieve compliance to common standards or NEMA classifications, products must demonstrate an acceptable level of ingress protection and environmental resistance tests. NEMA type ratings are also often required by sellers or retailers before a product is purchased from manufacturers and resold to consumers, regardless of a product’s intent to protect against dust, water or adverse condition.

NEMA 250/UL 50 Type Ratings:

Indoor Type RatingsType 1Type 2 Type 4Type 4XType 5Type 6Type 6PType 12Type 12KType 13
Access to hazardous partsXXXXXXXXXX
Ingress of solid foreign objects (falling dirt)XXXXXXXXXX
Ingress of water (dripping and splashing) XXXXXXXXX
Ingress of solid foreign objects (circulating dust)  XX XXXXX
Ingress of solid foreign objects ( settling dust)  XXXXXXXX
Ingress of water (hosedown)  XX XX   
Oil and coolant seepage       XXX
Oil or coolant spraying and splashing         X
Corrosive Agents   X  X   
Ingress of water (temporary submersion)     XX   
Ingress of water (prolonged submersion)      X  
Indoor/Outdoor Type RatingsType 3Type 3XType 3R3RXType 3SType 3SXType 4Type 4XType 6Type 6P
Access to hazardous partsXXXXXXXXXX
Ingress of solid foreign objects (falling dirt)XXXXXXXXXX
Ingress of water (dripping and splashing)XXXXXXXXXX
Ingress of water (rain, snow, sleet)XXXXXXXXXX
Sleet    XX    
Ingress of solid foreign objects (windblown dust)XX  XXXXXX
Ingress of water (hosedown)      XXXX
Corrosive Agents X X X X X
Ingress of water (temporary submersion)        XX
Ingress of water (prolonged submersion)         X

Our Accreditations

A2LA Accredited Environmental Testing Facility

EMTS Lab Inc. is an ISO/IEC 17025:2017 Accredited engineering firm offering independent compliance services. We’re proud to be lab certified via A2LA, an independent, internationally-recognized accreditation body located in the USA.

Contact an Expert

When it comes to testing, we’re here to help.
Let’s chat.

We’re here to answer your questions and help you get started right away. Call or send us a message anytime.