NEC NEAX 2400 ICS - Figure 3-4 Drilling for Mounting the DRU on the Concrete Wall; Figure 3-5 Drilling for Mounting the DRU on the Wooden Wall

ND-45383 (E) CHAPTER 3
Page 33
Revision CD 1.0
Figure 3-4 Drilling for Mounting the DRU on the Concrete Wall
Figure 3-5 Drilling for Mounting the DRU on the Wooden Wall
50mm(2 inches)
50mm(2 inches)
(1) Drill with a drill bit of 3Φ ∼ 5Φ.
(2) Drill with a drill bit of 7Φ.
(3) Inset an anchor (Carl PC plug) into each drilled hole.
Specifications of Carl PC plug are as shown below.
PART
NO.
COLOR
OUTER
DIAMETER
LENGTH
OUTER DIAMETER
OF WOOD SCREW
DRILL
SIZE
PULL OUT
STRENGTH
7 Green Ø7.0 25 mm 1.0” Ø4.1 ~ Ø4.8 Ø7.0 450 kg (993 lb)
Ø7.0 35 mm 1.4” 500 kg (1104 lb)
50mm(2 inches)
50mm(2 inches)
(1) Drill with a drill bit of 1Φ ∼ 3Φ.
(2) Drill with a drill bit of 4Φ.