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My question has two parts to it. Just as my subject line reads, about heat and moisture inside of an outdoor NEMA enclosure. Specifically, this is for a stainless steel type 4X enclosure housing low voltage CCTV equipment. I'm helping maintain a school cctv system around the school. How hot...

My friend who's a home owner is getting close to the end of his home being renovated which included a lot electrical work. When he asked who the licensed electrican was, and when he was coming to inspect the work (licensed person never came to the job site), he was told the licensed person is...

Hi: I was helping out a friend with some various things at a local pre-school and I noticed the school had an outdoor enclosure installed to house some network equipment mounted outside of a building. In the enclosure, I noticed a 120VAC receptacle in a weatherproof outlet box mounted to the...

I want to connect this single gang bell box to a non-fusible ac disconnect switch. I want to use the side KO of the bell box shown to the side KO of the disco with a ****** or rigid coupler as the path. My question is, if using a ******, do I still have to have a locknut on both sides of the...

Is it normal or not uncommon to get mold in the indoor units with mini split air conditioners? Let's say you never do the spray and rinse maintenance but just cleaning the screen filter once every few months.

Hi All: I just got a Mitsubishi 18k unit installed and I saw that the contractor used 14/3 romex (light blue) to wire the indoor unit to the outdoor unit. He ran the wire from the indoor unit with the linesets in Inaba lineset covers to the outdoor unit. The Inaba lineset cover ends on the...

Hi: Merry x-mas. Attached is my current meter main+main panel outdoor layout with other jb's and conduit stubs. Just about everything here was done by remodel and solar ctr. I'm installing a new sub-panel on the other side of this wall which is my garage. I pulled a 6 ga NM-B from this...

Hi: I need to install a 12 space 60A sub-panel in my garage on a fairly narrow strip of wall (~2' w x 8' ht). The wall is CMU. I'll have a 18"x3"x3" gutter at the top near the ceiling, sub panel, and possibly some sub-meters below. I like the plywood backboard for everything to mount to but...

I'm from Hawaii and I'm having trouble understanding sizing a AC unit but I'm looking at some sizing charts, forums and what I hear from friends and family. Bottom line, it really seems like everyone from my state sizes their units a lot bigger than what I'm gathering on the internet. For...

Hi All: I'm in Hawaii and if you're not familiar with our weather, the temperature is mostly in the 70 - 80's majority of the year with winter going into 60's on the low side. Humidity is pretty high about 60 - 70's for most of the year with winters going down to 40-50's. Ok so here's my...

Hi All: I need to get our main water shut off valve replaced. It currently is a 3/4" gate or globe (hard to see) valve. The plan is to change it out completely to a ball valve. My main question is what material and brand valve should I get? My research has led me to either a Milwaukee or...

Hi All: Finishing up on a renovation to our home and the contractor was tasked with installing a sub meter. We have 3 units to monitor. I was planning to get the Leviton Multi Meter Unit (MMU) (6M203-CFG) but the GC is telling me might be long lead. We are real close to finishing up the...

Hi All, We are in the process of a home remodel and need temporary space to store our junks. We want to use our car port and temporarily wall up half (~16 ft) the car port opening, just to block the wind and rain. We live in a very rainy and windy area and the car port opening faces directly...

I bought a Craftsman aluminum jack, 2 ton model a few years ago. I'm a weekend warrior at most, and use it for maintenance purposes and light repairs, so it doesn't get used that much. But it recently started to leak. It still raised my compact and mid size car though. I also had another...

Hi: This is for all the people that own a Mityvac 7300. I bought the Mityvac 7300 pneumatic fluid evacuator and hooked it up to my compressor to give it a quick test. I wasn't evacuating any fluids, just giving it a dry run. I had a couple questions: 1) When the handle for the valve control...

Hi all! I've been reading through some of the threads and this look like a good forum to join. Well couple things. 1) I took your advice and ordered the 1/2"-drive Earthquake gun. I need to remove my crank pulley bolt and I've gone through 2 guns that couldn't take on the task. I bought one...