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Old 24 September 2017, 13:17   #1
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Can anyone ID these mcb's for me?

Hi, looking at the wiring on the Ribtec I've just bought as the bulge pump won't run. I came across these in the JB. Can anyone ID them for me, or am I completely wrong and they're fuse holders???!

Many thanks!
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Old 24 September 2017, 14:20   #2
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Yep. they're fuse holders. Pull the rubber covers off. They'll be standard blade fuses.

Sorry, just looked again and saw the row of what looks like circuit breakers.

(box looks like it's been full of water!)
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Old 24 September 2017, 14:22   #3
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Sorry, my fault, not specific enough. It's the round ones with red 5 or 10 I meant...
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Old 24 September 2017, 14:35   #4
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They are circuit breakers.
5 Amp or 10 Amp being the current at which they should pop.
As LT pointed out you have some rust there so might be worth renewing the connector blocks.

Be warned! Once you start renewing...................
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Old 24 September 2017, 14:45   #5
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That's a mess, bin it & start again
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Old 24 September 2017, 14:50   #6
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I WANT to rip it all out, but I'm SCARED to!

Seriously, the boat is in great shape and if the wiring were up to standard it would be a cracker...

Winter project methinks.

Can you guys advise best supplier for marine electrical supplies?

TIA!
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Old 24 September 2017, 14:57   #7
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Originally Posted by 33JS View Post
I WANT to rip it all out, but I'm SCARED to!

Seriously, the boat is in great shape and if the wiring were up to standard it would be a cracker...

Winter project methinks.

Can you guys advise best supplier for marine electrical supplies?

TIA!


I use either 12volt planet or Kojaycat. Personally I would only use marine grade tinned copper stranded cable & adhesive lined heat shrink crimps.
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Old 24 September 2017, 15:22   #8
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That's a mess, bin it & start again
Agree with Dave label everything and start again that box has been a water trap not a fan of circuit breakers fuse everything job done OMO
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Old 24 September 2017, 15:28   #9
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I use either 12volt planet or Kojaycat. Personally I would only use marine grade tinned copper stranded cable & adhesive lined heat shrink crimps.
If, and IF I tackle it, it'll have to be done right. I'm good for that, but having fitted a few new consumer units I know what s PITA it'll be...
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Old 24 September 2017, 15:29   #10
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Agree with Dave label everything and start again that box has been a water trap not a fan of circuit breakers fuse everything job done OMO
...and access is a bit of a biatch!
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Old 24 September 2017, 15:45   #11
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If, and IF I tackle it, it'll have to be done right. I'm good for that, but having fitted a few new consumer units I know what s PITA it'll be...
Be more of a PITA in the middle of the Forth trying to figure out what just made all your electrics cut out.

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...and access is a bit of a biatch!
Also a reason not to want to have to open the box afloat!

Quote:
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I WANT to rip it all out, but I'm SCARED to!
How bad can it be....

Is that box on if those that has 4 x 90 degree catches that keep it closed? IMHO they have an inconvenient habit of popping out at just the wrong moment
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Old 24 September 2017, 15:53   #12
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Be more of a PITA in the middle of the Forth trying to figure out what just made all your electrics cut out.



Also a reason not to want to have to open the box afloat!


How bad can it be....

Is that box on if those that has 4 x 90 degree catches that keep it closed? IMHO they have an inconvenient habit of popping out at just the wrong moment
I know what you're saying, I really do. First boat, utter novice with the ink still wet on a PB2 and a full re-wire... eek!

Point taken on untimely failure though - lucky I bought some oars!

The box has 4 screws needing multiple turns do pic should be secure.
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Old 24 September 2017, 17:32   #13
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The box has 4 screws needing multiple turns do pic should be secure.
Box has 4 screws needing multiple turns to undo when you really want in at that fuse...

There is no pleasing me!
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Old 24 September 2017, 18:44   #14
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buy some cable numbers ebay china 4 ,take your wires out one at a time and number them (put them back as you go ) , take several pictures of the current setup making sure you see all the numbers , buy a ip67 plastic box and some ip67 plastic cable glands from RS components ,maybe tap glands into box m16 or m20 ,one cable only per gland , strip out old box and rebuild to the photo,s ,follow pd,s advice re mcbs , take special care not to strip the numbers off as you remove and reinstall through the glands
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Old 25 September 2017, 01:07   #15
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buy some cable numbers ebay china 4 ,take your wires out one at a time and number them (put them back as you go ) , take several pictures of the current setup making sure you see all the numbers , buy a ip67 plastic box and some ip67 plastic cable glands from RS components ,maybe tap glands into box m16 or m20 ,one cable only per gland , strip out old box and rebuild to the photo,s ,follow pd,s advice re mcbs , take special care not to strip the numbers off as you remove and reinstall through the glands



I'm betting those cables will be goosed due to water ingress.
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Old 25 September 2017, 02:53   #16
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Now I'm starting to understand folks' reservations about boat ownership!!
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Old 25 September 2017, 02:57   #17
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Now I'm starting to understand folks' reservations about boat ownership!!


All part of the fun imo
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Old 25 September 2017, 06:43   #18
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Lovely though...
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Old 25 September 2017, 07:14   #19
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Lovely though...


Ooh dear
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Old 25 September 2017, 07:18   #20
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Ooh dear
Oh no!
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