Sunday 14 May 2017

Navigation light - cable deterioration

The SJ 16/2 cable used to connect the bow and stern running lights in Windstar has not stood the test of time.  This cable is intended as portable cordage, and has rubber-insulated conductors inside a neoprene jacket.  The conductors'  insulation is crumbling and just waiting to create a short and tripped breaker. The prince of darkness lurks...  Will post pics, it's toast, and it's now gone.  

The PVC insulation used throughout the rest of the boat is fine, it's just the length from the light, through the pulpit/pushpit to the bullet connectors below deck, where the lights connect to the harness.  (the cables in the mast were fine also, except for some wear and tear at the base of the mast.   I rewired the mast in '17 anyway.)

The neoprene cable jacket is likely in much better condition than the conductors' insulation, therefore the condition of the conductors is not evident when simply inspecting the cable from the outside.  Check the conductors themselves where they are exposed.









1 comment:

  1. Hello, I don't have a comment on the above posts but I have a question. What size packing is required for the stuffing box. I have a 33MK2 with a 2GM Yanmar, 7/8" shaft. The boat is in the water so I can't really back off the gland nut to take a look.
    Thanks,
    Brian

    ReplyDelete

Comments and corrections welcome!