TLS-IB Site Prep Manual Probe Field Wiring
26
Probe Field Wiring
Figure 23 diagrams a ty pical probe wiring connection in the junction box at the m anhole.
Figure 23. Field Wiring probes to TLS-IB Cables
Sealing Field Connections
WIRING RUN THROUGH RIGID CONDUIT
1. Pull the wires from the probe canister into the junction box. Pull two wires from the TLS-IB through the seal-off box
and into the junction box.
2. Using wire nuts, connect the two wires from the probe to the two wires coming from the TLS-IB. Be sure to observe
color codes or tags when making these connections to maintain polarity.
3. Do NOT terminate drain wire at this location, ground drain wire at TLS-IB only.
4. Seal wire nuts with epoxy sealant following the instructions in Figure 24.
CAUTION:
Epoxy sealant is irritating to eyes, respiratory system, and sk in. Can cause allergic skin reaction.
Contains:
epoxy resin and Cycloaliphatic epoxycarboxylate.
Precautions:
Wear suitable protective clothing, gloves, eye, and face
protection. Use only in well ventilated areas. Wash thoroughly before eating, drinking, or smoking.
5. Push the epoxy sealed bag into the junction box. Replace and tighten the junction box cover.
To
PROBE
Terminal
Block In
TLS-IB
From
Mag Probe
Black
White
tlsnt\ibpwir.eps
Epoxy sealed connections in a weatherproof junction box.
rigid
conduit
Seal-off
Observe polarity. Do not ground drain wire in junction box.
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