Philip Ngai's user avatar
Philip Ngai's user avatar
Philip Ngai's user avatar
Philip Ngai
  • Member for 12 years
  • Last seen this week
15 votes

Can two circuits' neutrals be tied together (not a single neutral wire, but two that have been connected)?

14 votes
Accepted

What is the purpose of a watt regulator in my ceiling fan?

12 votes
Accepted

How can I add a carbonated water tap in my kitchen?

10 votes
Accepted

Can I share a 240V outlet between two devices?

9 votes
Accepted

How much water do water softeners waste?

8 votes

What are "termination points" and why do I need them on my electrical supply?

7 votes

Will I trap moisture in the concrete of basement walls and floors if I seal them with epoxy?

7 votes

What is electrical code for number of wires in a breaker?

7 votes
Accepted

What should the water main connect to first: carbon filter or water softener?

7 votes
Accepted

Is there any reason not to use a radiant barrier in the attic?

7 votes
Accepted

How do outdoor mist-cooling A\C units fare in real-world usage?

7 votes
Accepted

Is a roof sprinker a good idea?

6 votes

How much less power does a three-phase air conditioning unit use than a one phase unit?

6 votes

Can I power my air conditioning with solar energy?

6 votes

Should I install an exhaust fan in a new garage?

6 votes

Can an HRV replace the air exhausted by a range hood?

6 votes
Accepted

Does a humidifier cool the air?

6 votes
Accepted

How does 4-quadrant metering of 3-phase electricity work?

5 votes

What voltage/amperage garage circuits should I install for welding tools and an air compressor?

5 votes
Accepted

Is my window air conditioner cooling properly?

5 votes

Do powerline adaptors need to be plugged into outlets that are on the same leg

4 votes
Accepted

Biggest size breaker in 200 amp panel

4 votes

Would insulating a basement prevent it from passively cooling the house in the summer?

4 votes

Drilling "misting" pin holes in PVC

4 votes
Accepted

How can I remove an electrical junction box that is attached to a stud, without damaging the surrounding wall?

4 votes

Can salt be used to create a slip resistance surface in concrete?

4 votes

What are cheap ways to build strong shelves with a large span?

4 votes

Why do builders say that wet concrete/mortar is not as strong?

4 votes

How can I stop a barbed coupler from leaking?

4 votes

Are curtains effective for keeping the room warm?