Installation, Operation and Maintenance Manual
VCIOM-15345-EN Rev. 1
February 2022
19
Electrical Connections
Section 3: Electrical Connections
3.2
Sealing Cable/Conduit Entries
Seal the cable and conduit entries in accordance with the National Electric Code or your
country standard and applicable local codes. All conduit entries should be sealed against
the site environment. All unused conduit entries must be sealed with threaded metal plugs.
3.3
Recommended Terminal Connections
The Biffi Electro-Hydraulic actuator terminal block connectors are wire binding screw
connectors with rising captive plates. Connections can be made one of three ways:
•
Strip and connect bare wire
•
Strip and install wire ferrule
•
Strip and install crimp-on insulated or non-insulated ring or fork-tongue
connectors for either M3 control signal terminal block screws or M4 power
terminal screws.
3.3.1
Loosen terminal block connectors L1, L2, L3 and GND screws with a common or
Phillips head screwdriver.
3.3.2
If bare wire is being used, strip insulation a maximum of 1/2 in. (12 mm).
3.3.3
Insert wire or wire lug under terminal block connector screw clamps and tighten.
Figure 6
Power Terminal Connection Length of Bare Wire Strip
Terminal Size: 0.375 (M4)
0.400 in.
(10 mm)
Bare wire strip
Figure 7
Control Terminal Connection Length of Bare Wire Strip
Terminal Size: 0.315 (M3)
0.315 in.
(8 mm)
Bare wire strip