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FM1000A User’s Manual
WARNING
2.4.2 Hubble Twist Lock® Connector Wiring
Prepare the wiring for the Hubble Twist-Lock® connector in the following manner
before connecting to your AC power source:
1. Use round cord with a diameter of 0.385–0.780 inches (10–20 mm), Type SJ
12/3 – 10/3; Type S 16/3 – 10/3.
2. Select conductor size from your National Electrical Code®.
3. Slide the cover onto the cord. Remove insulation from cable and conductors
as shown in Illustration 2–3. Do not tin conductors.
5. Tighten terminal screws to 18 pound•inches (2.1 N•m) of torque.
6. Tighten assembly screws to 10 pound•inches (1.1 N•m) of torque.
7. Tighten cord clamp screws to 10 pound•inches (1.1 N•m) of torque.
4. Loosen terminal screws. Insert conductors fully into proper terminals ac-
cording to the table below. Take caution that there are no stray wire strands.
Illustration 2–3 Cover, Cable & Conductors
1 Inch
(25 mm)
5/8 Inch
(16 mm)
Possible Electric
Shock
Hazard!
Do not connect AC source until all
other connections are made and
installation is complete.
Terminal
Green Hex Head Screw
Equipment grounding conductor
(green or green/yellow)
Conductor
Brass Screw
Hot circuit conductor, 240 VAC
(NOT white, NOT green)
Brass/Black Screw
Hot circuit conductor, 240 VAC
(NOT white, NOT green)