User Harper - Reinstate Monica - Home Improvement Stack Exchange

44 votes

2 answers

29k views

What is a tandem breaker (aka duplex, cheater, twin, double-stuff, etc.)?

asked Mar 12, 2017 at 7:15

32 votes

4 answers

10k views

Would it be Code legal to have an all-240V house in the United States?

asked Aug 12, 2020 at 17:47

28 votes

3 answers

8k views

Now I realize I used too many GFCI outlets. How can I reclaim them?

asked Nov 10, 2019 at 16:21

23 votes

3 answers

3k views

First time changing switches and outlets (receptacles). Anything special I should know?

asked Jul 5, 2019 at 21:01

13 votes

2 answers

8k views

What range of heights are allowed for wall receptacles?

asked Dec 17, 2019 at 2:02

12 votes

2 answers

770 views

Can I use a ground wire only conduit for copper data cables?

asked Jan 14, 2021 at 19:36

12 votes

1 answer

8k views

I'm hearing about load sheds aka EVEMS, and the devices differ. What's that about?

asked Jul 27, 2023 at 0:25

11 votes

4 answers

6k views

How do I carry electrical power across a pond?

asked Feb 21, 2019 at 20:24

7 votes

1 answer

7k views

Why are tandem breakers on shared neutral (MWBC) problematic?

asked Mar 28, 2019 at 17:45

7 votes

2 answers

578 views

Can I re-task a large conduit to hold a small conduit and low voltage cables?

asked Jul 28, 2020 at 2:29

7 votes

2 answers

1k views

Do UL-listed product specifications or NEC rules take precedence?

asked Sep 3, 2020 at 20:13

7 votes

4 answers

4k views

How do I bend EMT conduit to a broader radius?

asked May 3, 2017 at 1:32

7 votes

1 answer

9k views

How do I read instant wattage draw from my spinning-disc electric meter?

asked Jun 23, 2017 at 4:14

6 votes

5 answers

20k views

Why does a furnace need a fuse?

asked Oct 6, 2017 at 1:35

6 votes

3 answers

1k views

Sheath is too short! Can I finish in EMT?

asked Dec 6, 2017 at 21:15

6 votes

2 answers

862 views

I want to run 75C wire. Can I overcome 60C receptacle ratings with a pigtail?

asked Mar 22, 2020 at 18:25

6 votes

2 answers

6k views

Code: How can a transfer switch not switch neutrals?

asked Jul 18, 2018 at 5:34

5 votes

1 answer

140 views

If I have a 120V and a 240V single circuit (each) to an outbuilding, do they need disconnects?

asked Sep 15, 2022 at 23:02

5 votes

0 answers

1k views

Why am I getting shocked by a water heater? [duplicate]

asked Mar 2, 2017 at 0:44

5 votes

1 answer

8k views

Can I feed 2 sub-panels off one breaker?

asked Jan 9, 2017 at 21:22

4 votes

2 answers

1k views

Can I change an outlet circuit to 240V (NEMA 6)?

asked Apr 26, 2016 at 20:58

4 votes

2 answers

264 views

Does always-on safety lighting need a switch or other requirement?

asked May 4, 2017 at 19:12

4 votes

2 answers

377 views

Can you really use 2 cables in place of /4 Romex?

asked Apr 12, 2020 at 4:13

4 votes

2 answers

895 views

On a QO breaker, how do I distinguish GFCI from overcurrent trip?

asked Jan 1, 2020 at 18:31

4 votes

3 answers

4k views

Are Sonoff smart switches actually UL listed?

asked Dec 14, 2018 at 20:02

4 votes

1 answer

405 views

Can Canadian panels be used in the USA?

asked May 27, 2019 at 16:43

3 votes

2 answers

104 views

What kind of service panel to use when the enemy is condensate, not rain?

asked Nov 3, 2019 at 18:41

3 votes

4 answers

15k views

Is a dedicated circuit to gas furnace always required?

asked Apr 5, 2018 at 0:14

3 votes

1 answer

848 views

Does copper wire need to say it's copper?

asked Feb 24, 2019 at 13:05

3 votes

3 answers

841 views

Can non-metallic cable go up a wall shaft for a furnace vent?

asked Jun 5, 2017 at 19:43

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74 Questions

What is a tandem breaker (aka duplex, cheater, twin, double-stuff, etc.)?

Would it be Code legal to have an all-240V house in the United States?

Now I realize I used too many GFCI outlets. How can I reclaim them?

First time changing switches and outlets (receptacles). Anything special I should know?

What range of heights are allowed for wall receptacles?

Can I use a ground wire only conduit for copper data cables?

I'm hearing about load sheds aka EVEMS, and the devices differ. What's that about?

How do I carry electrical power across a pond?

Why are tandem breakers on shared neutral (MWBC) problematic?

Can I re-task a large conduit to hold a small conduit and low voltage cables?

Do UL-listed product specifications or NEC rules take precedence?

How do I bend EMT conduit to a broader radius?

How do I read instant wattage draw from my spinning-disc electric meter?

Why does a furnace need a fuse?

Sheath is too short! Can I finish in EMT?

I want to run 75C wire. Can I overcome 60C receptacle ratings with a pigtail?

Code: How can a transfer switch not switch neutrals?

If I have a 120V and a 240V single circuit (each) to an outbuilding, do they need disconnects?

Why am I getting shocked by a water heater? [duplicate]

Can I feed 2 sub-panels off one breaker?

Can I change an outlet circuit to 240V (NEMA 6)?

Does always-on safety lighting need a switch or other requirement?

Can you really use 2 cables in place of /4 Romex?

On a QO breaker, how do I distinguish GFCI from overcurrent trip?

Are Sonoff smart switches actually UL listed?

Can Canadian panels be used in the USA?

What kind of service panel to use when the enemy is condensate, not rain?

Is a dedicated circuit to gas furnace always required?

Does copper wire need to say it's copper?

Can non-metallic cable go up a wall shaft for a furnace vent?