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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Surface-mount box with 20 mm conduit knock-outs on the sides?
Does anyone make a single-gang surface-mount box with 20 mm conduit
knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html |
#2
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Surface-mount box with 20 mm conduit knock-outs on the sides?
In article , Adam Funk
writes Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html The trade deal with this by having a 20mm holesaw (with centre drill) in their toolkit :-) Kind of obvious when you think of it but it was like an epiphany when I first saw it (2nd year apprentices are generally less impressed, or so I hear). I imagine they have a 25mm one too for the reverse situation. -- fred it's a ba-na-na . . . . |
#3
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Surface-mount box with 20 mm conduit knock-outs on the sides?
"Adam Funk" wrote in message ... Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html Just put the socket sideways, I'm assuming it will be in a workshop or similar? |
#4
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Surface-mount box with 20 mm conduit knock-outs on the sides?
On 12 Nov 2014, Adam Funk grunted:
Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. I dunno; but on a related note... I'm currently wiring up some sound-surround speakers with flush-fitted cables, and am using these light-switch boxes: http://www.tlc-direct.co.uk/Images/P...ze_3/AP623.JPG These are the shallow ones that have a single pre-formed oval hole, which has rounded-off edges to avoid chafing cables and not using a grommet. However, in the other sides they also have knock-outs for two side-by-side holes; these by definition won't have smoothed edges and won't fit a grommet. I'm curious to know how these are supposed to be used? Just 'carefully'? -- David |
#5
Posted to uk.d-i-y
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Surface-mount box with 20 mm conduit knock-outs on the sides?
Adam Funk wrote:
Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left& right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html Not that I found. I built a jig as I had 20 or so to do and used a 4mm pilot with a stepped hole cutter in the bench drill. This gave a very good finish and the holes ended up in the right place! |
#6
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Surface-mount box with 20 mm conduit knock-outs on the sides?
"Phil L" wrote in message
news "Adam Funk" wrote in message ... Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html Just put the socket sideways, I'm assuming it will be in a workshop or similar? Just fit it like an electrician ie at any ****ing angle but level. -- Adam |
#7
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Surface-mount box with 20 mm conduit knock-outs on the sides?
On 12/11/14 20:08, Lobster wrote:
On 12 Nov 2014, Adam Funk grunted: Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. I dunno; but on a related note... I'm currently wiring up some sound-surround speakers with flush-fitted cables, and am using these light-switch boxes: http://www.tlc-direct.co.uk/Images/P...ze_3/AP623.JPG These are the shallow ones that have a single pre-formed oval hole, which has rounded-off edges to avoid chafing cables and not using a grommet. However, in the other sides they also have knock-outs for two side-by-side holes; these by definition won't have smoothed edges and won't fit a grommet. I'm curious to know how these are supposed to be used? Just 'carefully'? No - not "carefully". IIRC a 20mm round grommet will fit the oval holes. If not, take a 25mm round grommet, cut it and use it to line the edges, trimming to length. |
#8
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Surface-mount box with 20 mm conduit knock-outs on the sides?
On 12/11/14 20:55, ARW wrote:
"Phil L" wrote in message news "Adam Funk" wrote in message ... Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html Just put the socket sideways, I'm assuming it will be in a workshop or similar? Just fit it like an electrician ie at any ****ing angle but level. And do it up like a kitchen fitter - ie don't bother because you don't happen to have long enough screws. After all, it doesn't matter if the FCU is behind an appliance that it's hanging off the wall! |
#9
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Surface-mount box with 20 mm conduit knock-outs on the sides?
On 2014-11-12, fred wrote:
In article , Adam Funk writes Does anyone make a single-gang surface-mount box with 20 mm conduit knock-outs on the left & right sides (rather than the top or bottom)? Obviously I don't mean in the middle of each side (where the fixing screws go), but below the screws, like some of the knock-outs in steel flush-mount boxes. http://www.tlc-direct.co.uk/Products/AP655.html The trade deal with this by having a 20mm holesaw (with centre drill) in their toolkit :-) Kind of obvious when you think of it but it was like an epiphany when I first saw it (2nd year apprentices are generally less impressed, or so I hear). I imagine they have a 25mm one too for the reverse situation. OK, I could probably do with a holesaw set anyway, although I'll have to shop carefully --- the last time I bought one, I had to take it back as I found that the core was too big for my drill chuck. |
#10
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Surface-mount box with 20 mm conduit knock-outs on the sides?
In article , Adam Funk
writes OK, I could probably do with a holesaw set anyway, although I'll have to shop carefully --- the last time I bought one, I had to take it back as I found that the core was too big for my drill chuck. I've never found the sets to have exactly what I wanted so have bought individuals when I need them. As an aside, have you noticed on Toolstation (& prob others) that you can find what you need near the top of a page at a higher price than apparently equivalent others further down. Very noticeable in your case: Expensive £14.13: 83315 PUNK Holesaw Arbor Hex 14mm-30mm Each £5.34 92947 PUNK Bi-Metal Holesaw 20mm Each £3.84 27763 PUNK Bi-Metal Holesaw 25mm Each £4.95 Cheap £6.31: 42954 Holesaw Arbor Hex 14 -30mm Each £2.06 28605 M3 Bi Metal Holesaw 20mm Each £2.00 56846 M3 Bi Metal Holesaw 25mm Each £2.25 Cheap still claims to be "Heavy duty, for industrial use". Ok 'punk' brand claims higher a specified cobalt content but for a few boxes . . . You'll probably find they drill oversize and leave the hole a bit rough but the grommets (or conduit fittings) should cover any sins. Plus go easy on the pressure to avoid the knockouts being disturbed. -- fred it's a ba-na-na . . . . |
#11
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Surface-mount box with 20 mm conduit knock-outs on the sides?
In message , fred writes
In article , Adam Funk writes OK, I could probably do with a holesaw set anyway, although I'll have to shop carefully --- the last time I bought one, I had to take it back as I found that the core was too big for my drill chuck. I've never found the sets to have exactly what I wanted so have bought individuals when I need them. As an aside, have you noticed on Toolstation (& prob others) that you can find what you need near the top of a page at a higher price than apparently equivalent others further down. Very noticeable in your case: Expensive £14.13: 83315 PUNK Holesaw Arbor Hex 14mm-30mm Each £5.34 92947 PUNK Bi-Metal Holesaw 20mm Each £3.84 27763 PUNK Bi-Metal Holesaw 25mm Each £4.95 Cheap £6.31: 42954 Holesaw Arbor Hex 14 -30mm Each £2.06 28605 M3 Bi Metal Holesaw 20mm Each £2.00 56846 M3 Bi Metal Holesaw 25mm Each £2.25 Except the Bosch ones further down the page are more expensive than the PUNK ones, so don't really support your theory -- Chris French |
#12
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Surface-mount box with 20 mm conduit knock-outs on the sides?
In article , Chris French
writes In message , fred writes Expensive £14.13: 83315 PUNK Holesaw Arbor Hex 14mm-30mm Each £5.34 92947 PUNK Bi-Metal Holesaw 20mm Each £3.84 27763 PUNK Bi-Metal Holesaw 25mm Each £4.95 Cheap £6.31: 42954 Holesaw Arbor Hex 14 -30mm Each £2.06 28605 M3 Bi Metal Holesaw 20mm Each £2.00 56846 M3 Bi Metal Holesaw 25mm Each £2.25 Except the Bosch ones further down the page are more expensive than the PUNK ones, so don't really support your theory The fact that a cheaper alternative is available further down the page was the point and is accurate. -- fred it's a ba-na-na . . . . |
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