Pennsylvania Code & Bulletin

• No statutes or acts will be found at this website.

The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 52 Pa.B. 3204 (May 28, 2022).

34 Pa. Code § 27.15. Intensity of illumination.

§ 27.15. Intensity of illumination.

 The following table shall be used in determining the illumination levels for various office tasks and locations, the column at right indicating acceptable range of footcandles required:


DescriptionAcceptable Range of
Footcandles on the
1. General Offices
   General Office Work56-70
   Accounting, Bookkeeping120-150
   Drafting & Designing120-150
   Private Offices56-70
2. Conference Rooms1/2-70*
3. Corridors, Elevators, Escalators, Stairways16-20
4. Lobbies, Reception Areas10-30
5. Washrooms24-30


 *More than one lighting system and/or dimming area desirable

 Not less than 1/5 the level of nearby offices

 May be more when planned for transition with daylight or other areas


   The provisions of this §  27.15 amended January 27, 1978, 8 Pa.B. 252. Immediately preceding text appears at serial pages (8448) to (8458).

No part of the information on this site may be reproduced for profit or sold for profit.

This material has been drawn directly from the official Pennsylvania Code full text database. Due to the limitations of HTML or differences in display capabilities of different browsers, this version may differ slightly from the official printed version.