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what size cable and breaker?MyBuilder

 · what size thickness cable do i need; Installing power cable from consumer unit to workshop - type and size of SWA needed? I have a light spuring off a plug socket (via a fuse). What size cable would I need to run from the fuse to the lights please? Would it be normal lighting cable or ring main cable? Ask a Question

The 3 Best Ways to Determine Amperage of Circuit Breaker

 · Absolutely! When you’re running a device for more than three continuous hours, you should use a circuit breaker with a rated amperage 125% of the device’s amperage. That’s because the device may generate heat waste and draw more power than it’s rated for. 125% of 15 amps is 18 amps. Read on for another quiz question.

What size wire to use in a circuit

Circuitry wire size is based on the amount of amps that the circuit is to draw. The higher the amperage the larger the wire size has to be.

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The total length of cable run to the main distribution board will be 15 metres, of which the last 2 metres will be buried in plaster behind the shower cubicle. The rest of the run will be clipped to joists under the floor. The shower will have its own MCB fitted in the distribution board. What size cable do I need?

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Application Paper AP01200008E UL listed 100%-rated

a 100%-rated circuit breaker. In other words, 90°C wire must be . primarily continuous (three hours or more) or noncontinuous loads. If all of the loads are noncontinuous, both the standard- rated and 100%-rated breaker can be size at 100% of the load, so the standard-rated breaker would be the most economical option. 2. If continuous loads .

What size breaker for a 3 HP submersible pump

The sizing of the circuit breaker and hence the wire size to feed the pump are all dependant upon the amperage of the pump. . to transferring waste water at large flow . In the long run feeder .

Implications of circuit breakers and wire size for wire

Implications of circuit breakers and wire size for wire systems. June 27, 2011 Michael Traskos Management. Selecting the correct circuit breakers for an application is critical to system performance and safety . These are all factors that affect the size of wire used.

Distribution Electrical Flashcards | Quizlet

Start studying Distribution Electrical. Learn vocabulary, terms, and more with flashcards, games, and other study tools. . The front section, the bus section, and the cable section. What is a switchgear. . It's the continuous current that a circuit breaker can carry without exceeding a …

Nec exam quiz 1-10 Flashcards | Quizlet

Start studying Nec exam quiz 1-10. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

What size wire and circuit breaker do I need? | Yahoo Answers

 · What size wire & circuit breaker do I need to hook up a sauna that draws 33 amps . If this is not a continuous load, as defined by the NEC (A load with a duration equal to or exceeding three hours without shutting off) then the next standard size circuit breaker must be used. . is it inside or outside? how long is the run? is it 120V or .

Chasing Electrical Demons to Cut your Power Bill by 80%

 · Chasing Electrical Demons to Cut your Power Bill by 80%. . this $40 wonder allows instantaneous measurement of the current running through an individual circuit in your breaker panel. It also comes in handy when diagnosing things like a broken electric lawnmower or vacuum cleaner: . The other way people do it is to set it to run for a long .

electricalWhat danger/code violation is oversized

What danger/code violation is oversized breakers? . , the minimum branch-circuit conductor size shall have an allowable ampacity not less than the noncontinuous load plus 125 percent of the continuous load. (b) The minimum branch-circuit conductor size shall have an allowable ampacity not less than the maximum load to be served after the .

Hot water heater and wiringelectrical | Ask MetaFilter

 · The plumbing (with CPVC) was harder, only because I began with a hacksaw and not a pipe cutter -- that was a waste of hours. I finished that this morning and did the electric tonight. I used 12 gauge (copper) wire to connect to 10 at the circuit breaker. The heater was 4500 watts, as was the one it …

Electricians Explain Why Circuit Breakers Trip | Angie's List

 · Three highly rated electricians explain why circuit breakers trip and which appliances are the biggest contributors to this common electrical nuisance. . There could also be a short circuit where the hot wire becomes grounded and causes the breaker to trip.” . dish washers and especially central air units — that people run 24 hours a .

Air condion circuit ?Mike Holt Code Forum

 · . . . the surface contact of the #12 wire in the circuit breaker is smaller thereby increasing heat. . Now if you asked me what size NM cable I would recommend running I would answer 10-2 because in most installations 12-2 would probably have undesirable voltage drop. . the problem is the only time the air unit will run longer IS ON A HOT .

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AND OFFSETS, GREENLEE CABLE PULLING EQUIPMENT SAVES TIME, . • Accommodates cable ranging in size up to 3.5" (88.9 mm) in diameter Versatile • Feeds cable at variable speeds to match the speed of . • Audio alarm high force warning and circuit breaker shut off at maximum

Holt, Electricians Exam Prep, Unit 7 Flashcards | Quizlet

Holt, Electricians Exam Prep, Unit 7. electrical certification prep. . The Feeder overload protection (circuit breaker in panel) must be sized not greater than The largest branch circuit short circuit ground fault protection device of any motor in the group, plus the sum of the full load currents of the other motors(on the same time and phase .


when lifting the pump. NEVER lift the pump by the mains cable, or, where fitted, the float switch cable. 7. DO NOT run the pump with the body exposed for longer than 10 minutes. 8. DO NOT install the pump on sand, or ground which is likely to shift. 9. Do not use the pump if the water is liable to freeze, as this can cause damage to the pump.

Service and TroubleshootingMarine San

Allowing waste to remain in holding tank for very long period, i.e. over the winter. Major Causes of Malodor: Confirm that hose has . circuit breaker and fuse. b. Tighten or reconnect wires at vacuum pump and tank, vacuum generator, or vacuum holding tank. . Improper wire size. e. Improper voltage. f. Vacuum pump bellows clogged with

Question Regarding Dedicated 20 amp CircuitsAVS Forum

 · If you can do so, a 20-amp circuit for each duplex receptacle (two outlets) is really nice, run back to the breaker panel - this is the star part. Install 20/15 amp outlets that take either type plug. Run #10 wire to the breaker to minimize voltage drops on the line at peak loads, you only need #12 wire to meet code. Four outlets with two .

How to Calculate Electrical Circuit Load CapacityThe

Once you've determined the total load for your home, you'll know what size electrical service you need. Most homes have either a 100-amp or a 200-amp circuit breaker. There may also be additional sub-panels feeding off of the main circuit breaker panel. People often put sub-panels on the second floor for easy access to breakers in the event of .

Cable | Electric Cable | S

Electrical cable is in any building requiring electricity for the lighting and power. There are many types of cable used to keep a building running, choosing the right type and size of cable for the job is critical.