vault backup: 2025-10-22 17:52:07

This commit is contained in:
2025-10-22 17:52:07 -04:00
parent 4b393c6ddf
commit f45a47d5e8
13 changed files with 167 additions and 48 deletions
+4 -26
View File
@@ -10,27 +10,7 @@ title: Switchgear
---
# Switchgear
## Info
### Special Equipment
#### Company Switches
> [!info] Also Known As
> * Theatrical Switchboards
> * Stage Switchboards
![[company-switch.png|500x625]]
Company switches are lighting control equipment
unique to performance venues
like those subject to [[nfpa-70_520_theaters]]
> [!cite] NEC Article 520.2
> **Stage Switchboard.**
> A permanently installed switchboard, panelboard, or rack
> containing dimmers or relays with associated overcurrent protective devices,
> or overcurrent protective devices alone, used primarily to feed stage equipment.
[[distribution-equipment]]
## Sequence
@@ -104,6 +84,7 @@ Add `DISTRIBUTION FITTINGS`/`GENERATOR SET UP`.
#### Generator Connection Cabinets
Use a Distribution Panel of equal amps.
Or a transfer switch.
#### Transfer Switches
@@ -111,11 +92,8 @@ Use a Distribution Panel of equal amps.
##### Transfer Switches 1200A+
Use 1200A MTS/ATS, and add:
* ==CA.33.14.AMPS==
* Factor 1 = 3
* ==Delete 1200A==
Use 1200A and add an additional `TRANSFER SWITCH` item
to make up the remaining amps.
#### Meter Centers