Harper - Reinstate Monica's user avatar
Harper - Reinstate Monica's user avatar
Harper - Reinstate Monica's user avatar
Harper - Reinstate Monica
  • Member for 6 years, 9 months
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33 votes
2 answers
22k views

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

30 votes
3 answers
8k views

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

27 votes
3 answers
7k views

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

20 votes
3 answers
2k views

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

13 votes
2 answers
4k views

What range of heights are allowed for wall receptacles?

10 votes
1 answer
498 views

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

10 votes
4 answers
4k views

How do I carry electrical power across a pond?

7 votes
2 answers
262 views

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

7 votes
4 answers
3k views

How do I bend EMT conduit to a broader radius?

6 votes
5 answers
15k views

Why does a furnace need a fuse?

6 votes
3 answers
818 views

Sheath is too short! Can I finish in EMT?

6 votes
2 answers
407 views

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

6 votes
2 answers
709 views

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

6 votes
2 answers
5k views

Code: How can a transfer switch not switch neutrals?

6 votes
1 answer
4k views

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

5 votes
0 answers
1k views

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

5 votes
1 answer
6k views

Can I feed 2 sub-panels off one breaker?

4 votes
1 answer
6k views

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

4 votes
2 answers
160 views

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

4 votes
1 answer
303 views

Can Canadian panels be used in the USA?

4 votes
3 answers
3k views

Are Sonoff smart switches actually UL listed?

4 votes
2 answers
217 views

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

4 votes
0 answers
67 views

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

3 votes
1 answer
738 views

Does NEC apply to temporary structures, container homes, trailers, houseboats, etc.?

3 votes
2 answers
192 views

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

3 votes
2 answers
210 views

What is the maximum voltage you can have on exposed rails?

3 votes
1 answer
701 views

Does copper wire need to say it's copper?

3 votes
3 answers
480 views

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

3 votes
1 answer
2k views

Can I do a 125A subpanel feeder with slightly-larger-than-#3 wire?

3 votes
2 answers
99 views

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