A-44
Engineering Guide CDA3000
Appendix A  Formula bank
Housing type 6 P
Rain-tight, 
corrosion-proof
Housing type 11
Drip-tight, 
corrosion-proof
Housing type 11
Drip-proof, corrosion-resist-
ant, oil-immersed
Housing type 12
Dust-tight, 
drip-tight
Housing type 12
Use in industry, drip-tight, 
dust-tight
Housing 5
Dust-tight housing
IP 54
Housing 
Type 12 K
(as for type 12)
Housing type 13
Dust-tight,
drip-tight
Housing type 13
Dust-tight, oil-tight
1) 
NEMA=
National Electrical
Manufacturers Association
Terms in German/English:
2)
 EEMAC=
Electrical and Electronic
Manufacturers Association
of Canada
allgemeine 
Verwendung:
tropfdicht:
staubdicht:
regendicht:
regensicher:
wettersicher:
wasserdicht:
eintauchbar:
eisbeständig:
hagelbeständig:
korrosionsbeständig:
öldicht:
general purpose
drip-tight
dust-tight
rain-tight
rain-proof
weather-proof
water-tight
submersible
ice resistant
sleet resistant
corrosion resistant
oil-tight
Marking of the housing and the protection 
type
Marking of the 
housing and the 
protection type to
 CSA-C22.1 
(Canadian Electrical 
Code)
 CSA-C22.2 No. 94
Comparable IP 
protection to IEC 
529 / DIN 40050
to NEC NFPA 70 
(National 
Electrical Code) 
to UL 508 to 
NEMA No. 
250-1985
to NEMA ICS6-19831)
to EEMAC E 14-22)
Table 7.30 Protection types of electrical equipment for USA and Canada