The invention relates to a lamp base (2) for a high-pressure discharge lamp with a printed circuit board (30) mounted inside and populated with electrical components and printed conductors (31) for electrically contacting the components. At least one electrical contact (33) is mounted on the printed circuit board (30) for current supply (16) to the lamp, and at least one partition (24, 25) is provided for electrical insulation between the at least one electrical contact (33) or current supply (16) and the printed conductors (31) on the printed circuit board (30).