Glossary Table E
| Edge Clearance: The smallest distance from any conductors or components to the edge of the printed circuit board. |
| Edge Connector: A connector on the circuit-board edge used to connect to other circuit board or electronic device. |
| Encapsulation: Refers to the protection of assemblies, reducing the effects of environmental conditions. |
| Environmental Stress Screening: A way for detecting defects using extreme high and low temperatures and/or voltages. |
| ESR: Electro-statically applied solder resist. |