Skip to main content
isherwood's user avatar
isherwood's user avatar
isherwood's user avatar
isherwood
  • Member for 9 years, 3 months
  • Last seen this week
12 votes
2 answers
9k views

Why are loop (Chicago) vents typically built with three elbows?

11 votes
4 answers
15k views

What would cause a microwave oven to trip the breaker when I open the door during heating?

11 votes
2 answers
3k views

Can wires be bundled for neatness in a service panel?

8 votes
4 answers
2k views

Are the hangers on these joists sized and installed properly?

7 votes
1 answer
1k views

What is the 40° C rating on a circuit breaker?

4 votes
1 answer
4k views

How are vapor barriers, moisture barriers, and house wrap different?

4 votes
2 answers
1k views

Can I install outlets in my window wells?

4 votes
3 answers
2k views

What does this basement floor drain look like beneath the surface?

4 votes
2 answers
2k views

Is replacing the nails with gasketed screws likely to remedy leaks in a metal shed roof?

2 votes
2 answers
2k views

Can I backfeed just one leg of a service sub-panel for temporary power?

2 votes
3 answers
24k views

Does PVC conduit need a termination bushing at a service panel?

2 votes
2 answers
1k views

How should large, stranded ground conductors be connected to metal junction boxes?

1 vote
3 answers
3k views

How can I safely connect a 240v shallow well pump to a switch?

1 vote
2 answers
3k views

Does black iron pipe need to be cleaned before installation?

1 vote
1 answer
2k views

How would I feed a subpanel from this service pedestal?

1 vote
3 answers
4k views

Can I install a 60A main breaker in a load center rated for 125A?

1 vote
1 answer
5k views

Can I protect a dimmer switch circuit with a GFCI outlet?

1 vote
1 answer
2k views

How might I discharge a sump pump, furnace condensate line, and water softener to a single floor drain?

0 votes
1 answer
3k views

Is it advisable to connect a sump pump to pop-up sprinkler heads?

0 votes
1 answer
2k views

How would I identify the grounded (neutral) conductor when using URD cable as an underground feeder?

0 votes
1 answer
5k views

What size black iron pipe should I use for a 45,000 BTU attached garage heater?

0 votes
1 answer
741 views

Does ambient temperature impact gas pipe sizing?