Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with 240v
Search options answers only
not deleted
user 27099
For questions dealing with 240 volt electrical circuits, devices, and equipment. This tag covers the similar voltages as well (i.e. 220, 230, etc), since they generally refer to the same thing. Use with the [electrical] tag.
1
vote
Using ent conduit “smurf tube” for 4 4awg wires
ENT is A-OK for residential mains wiring
Actual UL listed ENT ("smurf tube") is a perfectly fine mains wiring method in 99% of the work we see around here, allowed basically everywhere NM can be used …
- 86k
1
vote
240V outlet not working, reading 120V on each leg, 0V between legs
This is fine as long as you're dealing with 120V circuits; however, a 240V circuit requires two breaker poles that land on adjacent bus stabs. … As a result, either your faulty 240V circuit was fed by a pair of handle-tied single-pole half-width breakers (which the rejection feature can't stop from being mis-inserted), or the installer must have …
- 86k
0
votes
How many amps per leg on a 220V circuit?
10A in one hot, 10A out the other hot
A 240V-only piece of gear connects to two hot legs and a ground (no neutral), so if it pulls 10A, that 10A has to be going in one hot leg and out the other hot leg …
- 86k
4
votes
Accepted
Do 240 volt dryers need to be AFCI protected
No -- the 2014 NEC only calls out AFCIs for 120V, 15 and 20A outlets -- the dryer is 240V, so it doesn't need an AFCI.
210.12 Arc-Fault Circuit-Interrupter Protection. …
- 86k
0
votes
Accepted
New mini split ac on existing Spa disconnect
You either need to run a ground or get rid of the outlet
Right now, the GFCI hooked to the disconnect in your picture effectively bootlegs ground off of neutral, and the disconnect box itself is grou …
- 86k
2
votes
Whirlpool electric dryer works on 120 but not 240
However, whoever wired your house wired it as if they had a normal, 120/240V, 3-wire, split-phase service coming in; we can tell this both from the undersized service neutral coming in (for a 100A service … In particular, using a 120/240V, 3-wire distribution panel with a utility-supplied 120V, 2-wire (Form 1S metered) service is forbidden, as if it were allowed, NEC 710.15(C) would then be superfluous: …
- 86k
2
votes
Accepted
Two 240 volt runs off same breaker
Disconnect the old run then hook up the new one
Since we're dealing with EVSE (a Tesla charger) here, we need to provide a dedicated branch circuit for that EVSE as per NEC 625.40:
625.40 Electric Ve …
- 86k
1
vote
Best way to add a 240v 30A circuit
Your easiest bet will be a cross between 1 and 3
Your easiest and simplest bet is a cross between approach 1 and approach 3, using a subpanel with a breaker interlock between the two breakers in it to …
- 86k
1
vote
How to splice 220 line to use for multiple uses
Furthermore, once you did that, the generator inlet would be live, with live prongs sitting there waiting to zap unsuspecting folks with 240V. …
- 86k
2
votes
240v outlet not delivering 240 volts
I would treat the 277V reading as equivalent to 240V in your case, as your tester is likely just a bit out of calibration (single-family dwellings are served by 240/120 split phase or occasionally 208Y …
- 86k
2
votes
Accepted
What wire do I need when replacing with a higher gauge for a new cooktop?
Running 6/3 is future-resistant, but only a conduit is future proof
While many modern cooktops are designed for worldwide usage, running all controls and power electronics on 240V as that's what's guaranteed …
- 86k
4
votes
How should I secure an unused wire in my breaker panel?
Land it on the neutral bus
Since you have the correct breaker in there for a mixed 120/240VAC circuit, simply land the white wire on the panel neutral bus -- this way, it'll be readily available for …
- 86k
1
vote
Add 240V / 60A for Swim Spa
You should be good to go on service size
I ran a quick load calculation with your square footage, 4 kitchen + 1 laundry circuit (counting GD+DW as one SABC and treating the fridge as lighting load), a …
- 86k
4
votes
Accepted
Can I extend a 240 V line?
You'll have to pull the box out and rearrange things
While it sounds like you have all the correct wires available to extend this on as a four-wire connection to your new range location, your last in …
- 86k
4
votes
Accepted
Can I handle-tie two 120V CH breakers for a 240V load?
This means that the combination of 2 single pole type CH breakers and a handle tie is only usable for 240V only or 120V only circuits as per NEC 240.15(B)(1) and 240.15(B)(2):
(B) Circuit Breaker as …
- 86k