E

Enclosure, Purged and Pressurized

Enclosure, NEMA Type

Enclosure, Explosionproof

EMAT

ECSCC

Examinations

Examination Point

Extrados

Epoxide

Epoxy

ESC

Electrically Conductive

Elastomeric bell-and-spigot seal lock joint

ECR glass

E-glass

earth, v, GB

Essential Service and Safety Function

Essential Control and Monitoring System

Engineered Personnel Transferring Operation (over a gangway)

EWS

EPC

EAP-TLS

Escorting

Elevated Threat Level

Equipment Under Control

Enterprise System

Electronic Security

Eavesdropping

External Floating Roof Tank

EFRT