Forum Discussion
j-d
Mar 16, 2018Explorer II
Many Mobile Home and RV connections use "displacement" aka "piercing" or "punch down" connectors. Both Junctions and Receptacles, probably also Switches, can be wired using these. Clearest example is this Scotch Lock type where two wires lie parallel in the housing and then the little metal piece is squeezed down, cutting through the insulation and wedging onto the conductors.
EDIT: THIS CONNECTOR IS PICTURED AS AN EXAMPLE OF WHAT NOT TO USE BECAUSE THEY FAIL!!!
Our RV had ONE OF THOSE junction boxes on the floor inside a cabinet connecting wiring from the breaker panel to a short pigtail coming back from the water heater. The Neutral (White Wire) side had arced and became an Open. I'd heard of this before on water heater circuits. I took the connecting metal pieces out, gutted the plastic to form a Box, stripped and mechanically twisted the wires together. I then screwed Wire Nuts over the connections, taped them against unscrewing, and "punched" the cover back on. Fine since.
Note: the splice where a flexible shore tie cable splices to the hard wire used within an RV often fails and has to be re-done. Running resistive electric heaters seems to contribute to that.
Our RV had ONE OF THOSE junction boxes on the floor inside a cabinet connecting wiring from the breaker panel to a short pigtail coming back from the water heater. The Neutral (White Wire) side had arced and became an Open. I'd heard of this before on water heater circuits. I took the connecting metal pieces out, gutted the plastic to form a Box, stripped and mechanically twisted the wires together. I then screwed Wire Nuts over the connections, taped them against unscrewing, and "punched" the cover back on. Fine since.
Note: the splice where a flexible shore tie cable splices to the hard wire used within an RV often fails and has to be re-done. Running resistive electric heaters seems to contribute to that.
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