Standardised nomenclature of lamp posts and masts acc. to EN 40.

1. Lighting column [post or mast]
A support intended to hold one or more lanterns [lamp fixtures], consisting of one or more parts: a post, possibly and extension piece, and, if necessary, a bracket.

2. Nominal height (H)
The distance between the centre line of the point of entry of the lantern [lamp fixture] and the bottom of the flange plate.

3. Post top column [straight post]
A straight column without without a bracket to support the lantern, which is a post top lantern [lamp fixture] directly.

4. Column with bracket [bracket post]
A column to support a lantern or lanterns [lamp fixture(s)] (side entry lanterns) by means of one or more brackets which are integral with, or demountable from, the column.

5. Bracket
A component used to support a lantern [lamp fixture] at a definite distance from the axis of the lower straight portion of the column, of single, double or multiple form and integral with, or demountable from, the column.

6. Bracket projection (W)
The horizontal distance from the point of entry to the lantern [lamp fixture] to a vertical line passing through the centre of the cross-section of the column at the ground level.

7. Bracket fixing
The connecting part on a column for securing a separate bracket. If may be of the same size or a different cross-section from the column.

8. Lantern [lamp fixture] fixing
The connecting part on the end of a post top column or of a bracket for securing a lantern. It may be integral with, or demountable from, the column or bracket.

9. Lantern [lamp fixture] fixing angle
The angle between the axis of the lantern fixing and the horizontal.

10. Post access door
A cover which closes the opening [hand hole] in the lower portion of the column, providing access to the column [post] recess in which the electrical equipment of the column can be installed.

11. Cable entry slot
The opening in the column (or its foundation) below the ground for the cable entry.

12. Planting depth
The length of the foundation (or the column) below the designed ground level.

13. Base plate
The plate below the ground level fixed to a column planted directly (i.e. without the foundation structure) in the soil.

14. Flange plate
A plate with an opening for cable entry, welded to a surface-mounted column to allow the column to be secured to a foundation block or other substructure.