From 40e95d4f7b75b4881051cc34892c2c9d549c684a Mon Sep 17 00:00:00 2001 From: Zane Meyers Date: Fri, 31 Oct 2025 16:26:48 -0400 Subject: [PATCH] vault backup: 2025-10-31 16:26:48 --- alternating-current.md | 16 ++++++++++++++- backlog.base | 5 +++++ birds.md | 32 +++++++++++++++++++----------- conductor-sizing.md | 12 ++++++----- fixture-designations.md | 44 ++++++++++++++++++++++++++--------------- ohms-law.md | 31 +++++++++++++++++++++++++++++ units-takeoff.md | 6 +++++- 7 files changed, 112 insertions(+), 34 deletions(-) create mode 100644 ohms-law.md diff --git a/alternating-current.md b/alternating-current.md index 22f73c5..9c0c43b 100644 --- a/alternating-current.md +++ b/alternating-current.md @@ -38,17 +38,31 @@ The voltage measured between any line and neutral is called **phase voltage**. ### Formula +The formula for active power in a three phase system is given by + $$ P = \sqrt{3} \times V_{L} \times I_{L} \times PF $$ where: -* $P$ is the power in watts, +* $P$ is the active power, * $V_{L}​$ is the line voltage, * $I_{L}$ is the line current, * $PF$ is the power factor. +The formula for apparent power in a three phase system is given by + +$$ +S = \sqrt{3} \times V_{L} \times I_{L} +$$ + +where: + +* $S$ is the apparent power, +* $V_{L}​$ is the line voltage, +* $I_{L}$ is the line current. + ### Voltage Systems 208Y/120V diff --git a/backlog.base b/backlog.base index a42293d..aadc6c1 100644 --- a/backlog.base +++ b/backlog.base @@ -25,3 +25,8 @@ views: filters: and: - '!file.hasTag("authorship")' + - type: table + name: complete-notes + filters: + and: + - file.hasTag("status/complete") diff --git a/birds.md b/birds.md index 7a52759..575a228 100644 --- a/birds.md +++ b/birds.md @@ -11,27 +11,37 @@ title: Birds I've Seen Around Here --- # Birds I've Seen Around Here +[List of birds of Florida - Wikipedia](https://en.wikipedia.org/wiki/List_of_birds_of_Florida) + ## [Order _Pelecaniformes_](https://en.wikipedia.org/wiki/Pelecaniformes) ### [Family _Ardeidae_](https://en.wikipedia.org/wiki/Ardeidae) -* [great egret](https://en.wikipedia.org/wiki/Great_egret) -* [great blue heron](https://en.wikipedia.org/wiki/Great_blue_heron) -* [green heron](https://en.wikipedia.org/wiki/Green_heron) +#### [Genus Ardea](https://en.wikipedia.org/wiki/Ardea_\(bird\)) -* [tricolored heron](https://en.wikipedia.org/wiki/Tricolored_heron) -* [little blue heron](https://en.wikipedia.org/wiki/Little_blue_heron) -* [snowy egret](https://en.wikipedia.org/wiki/Snowy_egret) +* [great egret/great white heron (_A. alba_)](https://en.wikipedia.org/wiki/Great_egret) +* [great blue heron (_A. herodias)](https://en.wikipedia.org/wiki/Great_blue_heron) + +#### [Genus Egretta](https://en.wikipedia.org/wiki/Egretta) + +* [tricolored heron (_E. tricolor_)](https://en.wikipedia.org/wiki/Tricolored_heron) +* [little blue heron (_E. caerulea_)](https://en.wikipedia.org/wiki/Little_blue_heron) +* [snowy egret (_E. thula)](https://en.wikipedia.org/wiki/Snowy_egret) + +#### Other Genus + +* [green heron (_Butorides virescens_)](https://en.wikipedia.org/wiki/Green_heron) ### [Family _Threskiornithidae_](https://en.wikipedia.org/wiki/Threskiornithidae) -* [American white ibis](https://en.wikipedia.org/wiki/American_white_ibis) -* [roseate spoonbill](https://en.wikipedia.org/wiki/Roseate_spoonbill) +* [American white ibis (_Eudocimus albus_)](https://en.wikipedia.org/wiki/American_white_ibis) +* [glossy ibis (_Plegadis falcinellus_)](https://en.wikipedia.org/wiki/Glossy_ibis) +* [roseate spoonbill(_Platalea ajaja_)](https://en.wikipedia.org/wiki/Roseate_spoonbill) ## Other Orders -* [wood stork (_Ciconiidae Mycteria americana_)](https://en.wikipedia.org/wiki/Wood_stork) +* [wood stork (_Ciconiiformes Ciconiidae Mycteria americana_)](https://en.wikipedia.org/wiki/Wood_stork) -* [anhinga (_Anhingidae Anhinga anhinga_)](https://en.wikipedia.org/wiki/Anhinga) +* [anhinga (_Suliformes Anhingidae Anhinga anhinga_)](https://en.wikipedia.org/wiki/Anhinga) -* [mallard (_Anatidae Anas platyrhynchos_)](https://en.wikipedia.org/wiki/Mallard) +* [mallard (_Anseriformes Anatidae Anas platyrhynchos_)](https://en.wikipedia.org/wiki/Mallard) diff --git a/conductor-sizing.md b/conductor-sizing.md index 5c5ae25..7d4a920 100644 --- a/conductor-sizing.md +++ b/conductor-sizing.md @@ -88,6 +88,8 @@ are in contradiction to this idea. Given a minimum ampacity, find all valid configurations. +[[nfpa-70_310_conductors_for_general_wiring]] + > [!cite] NEC Article 310 (emphasis added) > #### 310.10(H) Conductors in Parallel. > ##### (1) General. @@ -162,31 +164,31 @@ $$ > [!info] 3-Phase Voltage > > $$ -> V_{LL} = \sqrt{3} \times V_{LN}, \quad V_{LN} = \frac{V_{LL}}{\sqrt{3}} +> V_{L} = \sqrt{3} \times V_{P}, \quad V_{P} = \frac{V_{L}}{\sqrt{3}} > $$ 3% allowable voltage drop for a 120V line-to-neutral load: $$ -\text{Max} \Delta V = 0.03 \times 120 \text{V}_{LN} = 3.6 \text{V}_{LN} +\text{Max} \Delta V = 0.03 \times 120 \text{V}_{P} = 3.6 \text{V}_{P} $$ 3% allowable voltage drop for a 208V line-to-line load: $$ -\text{Max} \Delta V = 0.03 \times 208 \text{V}_{LL} = 6.24 \text{V}_{LL} +\text{Max} \Delta V = 0.03 \times 208 \text{V}_{L} = 6.24 \text{V}_{L} $$ #### Line to Neutral Loads $$ -\Delta V_{LN} = I \times Z \times 2L +\Delta V_{P} = I \times Z \times 2L $$ #### Line to Line Loads $$ -\Delta V_{LL} = \sqrt{3} \times \left( I \times Z \times 2L \right) +\Delta V_{L} = \sqrt{3} \times \left( I \times Z \times 2L \right) $$ #### 3-Phase Loads diff --git a/fixture-designations.md b/fixture-designations.md index f6629bd..4f85882 100644 --- a/fixture-designations.md +++ b/fixture-designations.md @@ -95,7 +95,7 @@ If PVC is required, use following assemblies: ### Homeruns -> `System` = "EL - Electrical" +> * `System` = "EL - Electrical" Use 1 Homerun for every 3 circuits in Garage @@ -195,7 +195,7 @@ round up to the nearest 5ft ## Facade -> `Phase` = "Facade" +> * `Phase` = "Facade" Length and Labor will be more than a normal fixture in BOH/Amenity @@ -216,32 +216,44 @@ Create its own breakout in WBS, and phase in Accubid ## Site & Courtyard +> [!important] +> Coordinate with landscape + ### Breakdowns -> System: "FML - Site Fixtures Material & Labor" +> * `System` = "FML - Site Fixtures Material & Labor" -### Fixture Assemblies +### Pole Lights -| Fixture Type | Assembly Path | -| ------------------------------------ | --------------------------------------------------------------------------------------- | -| Step Light | `COURTYARDS & LANDSCAPE`/`STEP FIX, 3/4" CONDUIT - PVC40 - ...` | -| Bollard | `COURTYARDS & LANDSCAPE`/`BOLLARD, 3/4" CONDUIT - PVC40 - ...`[^1] | -| Up-light | `COURTYARDS & LANDSCAPE`/`PERMA POST, 3/4" CONDUIT - PVC40 - ...` | -| In-grade up-light | `COURTYARDS & LANDSCAPE`/`3/4" CONDUIT - PVC40, IMC Elbow, ...` | -| Fixtures built into cabanas/pergolas | `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...` | -| Handrail light | `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40, IMC ELBOW - ...` | +`FIXTURE ACCESSORIES`/`SITE POLE ASSEMBLIES`/... -[^1]: If we don't own concrete, delete Pre-cast bollard base from assembly +Add subassemblies for stub-outs, pole, base, and grounding as appropriate. ### Festoon Lighting -> AKA "string" or "market" lights +> [!info] Also Known As +> * string lighting +> * market lighting +> * catenary lighting > 1. `FIXTURE LABOR`/`FIXTURE LABOR 2HR` > 2. `FESTOON & ROOF ASSEMBLIES`/`FESTOON CABLE HANGER & EYE BOLTS - LENGTH` -> * `Length per Unit` = Light string length +> * **Length per Unit** = Light string length > 3. `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...` -> * `Length per Unit` = Distance to panel + 15ft +> * **Length per Unit** = Distance to panel + 15ft + +### Other Fixture Types + +| Fixture Type | Path (`FIXTURE ACCESSORIES`/`COURTYARDS & LANDSCAPE`/...) | +| ------------------------------------ | ------------------------------------------------------------------ | +| Step Light | .../`STEP FIX, 3/4" CONDUIT - PVC40 - ...` | +| Bollard | .../`BOLLARD, 3/4" CONDUIT - PVC40 - ...`[^1] | +| Up-light | .../`PERMA POST, 3/4" CONDUIT - PVC40 - ...` | +| In-grade up-light | .../`3/4" CONDUIT - PVC40, IMC Elbow, ...` | +| Fixtures built into cabanas/pergolas | .../`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...` | +| Handrail light | .../`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40, IMC ELBOW - ...` | + +[^1]: If we don't own concrete, delete Pre-cast bollard base from assembly ## FAA Lighting diff --git a/ohms-law.md b/ohms-law.md new file mode 100644 index 0000000..17b05f8 --- /dev/null +++ b/ohms-law.md @@ -0,0 +1,31 @@ +--- +id: +aliases: [] +tags: + - authorship/original + - destiny/fleeting + - status/incomplete + - topic/construction/electrical + - type/encyclopedia +title: "Ohm's Law" +--- +# Ohm's Law + +The formula for voltage $V$ is given by Ohm's Law: + +$$ +V = I \times R +$$ + +The formula for power $P$ is given by: + +$$ +P = I \times V +$$ + +$$ +\begin{align*} +P &= I \times (I \times R) \\ +&= I^{2}R +\end{align*} +$$ \ No newline at end of file diff --git a/units-takeoff.md b/units-takeoff.md index 3192ed2..490cc0e 100644 --- a/units-takeoff.md +++ b/units-takeoff.md @@ -2,11 +2,11 @@ id: aliases: [] tags: + - authorship/original - destiny/permanent - occupational/takeoff/units - status/draft - type/guide - - authorship/original title: Unit Takeoff --- # Unit Takeoff @@ -49,6 +49,10 @@ Include terminations per [[switchgear]]. ### Shade Control +### VTAC Units + +Used in lieu of individual split systems. + ### Dedicated Circuit Receptacles For N5-15R/N5-20R receptacles serving fixed equipment such as: