| Term |
Definition |
| NEMA |
National Electric Manufacturers Association |
| NEMA 1 |
Electrical enclosure for indoor use. Provides
protection where unusual service conditions do not exist. |
| NEMA 3R |
Electrical Enclosure for outdoor use. Protection
from falling rain, sleet and ice formation on the enclosure. |
| NEMA 4 |
Electrical enclosure for outdoor use. Protection
from wind blown dust, rain, splashing water, hose directed water and ice formation on the
enclosure. |
| NEMA 4X |
Electrical enclosure for outdoor use. Provides
protection from corrosion, wind blown dust, rain, spraying water, hose directed water and
ice formation on the enclosure. |
| NEMA 12 |
Electrical enclosures for indoor use. Provides
protection from dust, falling dirt and dripping non-corrosive liquids. |
| FTC |
Flange Trough Collar
|
| UL |
Underwriters Laboratories, Inc. |
| TUV |
TUV Rhineland |
| IEC |
International Electrotechnical Commission |
| IP 54 |
Electrical enclosure for indoor use. Totally
protected against dust and low pressure jets of water from all directions (limited ingress
permitted). |
| IP 66 |
Electrical enclosure for indoor and outdoor use.
Totally protected against dust and strong jets of water. |
| ANSI |
American National Standards Institute |
| CSA |
Canadian Standards Association |
| FORD |
Ford Manufacturing Standards |
| JIC |
Joint Industry Council |
| PB |
Push Button |
