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A diagram showing the wiring of a Gibson Les Paul electric guitar. Shown are the humbucker pickups with individual tone and volume controls (T and V, respectively), 3-way pickup selector switch, tone capacitors that form a passive low-pass filter, the output jack and connections between those components. The top right shows a modification that ...
Spur circuits attached to the ring can overheat if not fused at the spur-point (i.e., if a BS 5733 or similar fused spur is not used) This is almost certainly a breach of the appropriate electrical standards (e.g. BS 7671 in the UK): the maximum load on any unfused spur is a single fitting.
The fuses used in fuseboxes were either of the cartridge type, similar to those found in UK plugs, or replaceable fuse-wire held within two-prong enclosures. Other standard use of fuses include those within appliance plugs, and the main fuse located on the end of the service (supply) cable (at the service head). Breaker (circuit breaker, CB)
The fuse in the plug would be sized to protect the flexible cord for over-current. Wired connections may also be connected to the final ring, requiring to include a suitably rated fuse and switch. The final ring circuit in the UK requires the use of BS 1363 plugs and sockets.
"A single switch may be used for the control of two socket-outlets located immediately adjacent to each other". (subject to the current rating of the switch to be at least equal to the (a) total current rating of the sockets concerned; or (b) the current rating of the overcurrent protection device concerned, whichever is the lesser value.) [19]
On a 3-phase circuit, a recloser is more beneficial than three separate fuse cutouts. For example, on a wye to delta conversion, when cutouts are used on the wye side and only 1 out of 3 of the cutout fuses open, some customers on the delta side have a low voltage condition, due to voltage transfer through the transformer windings. Low voltage ...
Some fuses allow a special purpose micro switch or relay unit to be fixed to the fuse body. When the fuse element blows, the indicating pin extends to activate the micro switch or relay, which, in turn, triggers an event. Some fuses for medium-voltage applications use two or three separate barrels and two or three fuse elements in parallel.
The classical guitar pedagogy is a collection of ideas, structures and patterns that are typical in teaching the instrument. These elements have been formalised by several music governing bodies, most notably ABRSM. These frameworks contain a rubric to teach classical guitar from novice to expert.