Daily Zohar – Tikunim – #40 – 10 Chambers of Light
The Tefilin (Phylacteries) are two leather boxes, one to be worn on the head and one for the hand.
Each of them has four chambers with four different holy text hand written on a piece of parchment.
The Tefilin for the head connects to the name יהוה and the Tefilin for the hand connects to the name אדני.
With the main two houses that hold the 4 chambers there are 10 “rooms” for the light to be revealed.
The connection with the Tefilin can be done only in the morning time, when the day and light start to shine. You can not do it after sundown.
מקור הקטע: הקדמת תיקוני הזוהר עם פרוש מעלות הסולם (רבי יהודה צבי ברנדויין זל) פסקה 195