The lid is manufactured by Vulcan Foundries as seen from a lid that does not include a serial number and is also in a square frame taken in 2018 on the street Shalag St 1, Tel Aviv-Yafo, Israel Click for a larger image Translation of the text on the cover
CAUTION OPTICAL FIBER!
For any call / malfunction please call Tel: 1-800-355-800
The Standard mark of the Standards Institute of Israel 2000 600 25T
MR-049-038 (Serial number changing from lid to lid)