ELECTRICAL
32
Switch Terminal Standard Intn’l
X-Proof
US
X-Proof
X-Proof
S1 A 21 1 N.C. ---
S1 B 22 2 N.C. ---
S2 C 13 3 N.O. ---
S2 D 14 4 N.O. ---
S1 A 21 --- --- N.C.
S1 B 22 --- --- N.C.
S2 C 13 --- --- N.O.
S2 D 14 --- --- N.O.
Table 2. Electrical Schematic
