How does a points list become a panel quote?
A points list totals every input and output signal a panel must terminate, by type: digital, analogue and universal I/O. Those totals drive controller and card sizing, sizing drives the component list, and the resulting component and point counts, run through the shop's own labour standards, produce assembly, wiring and test hours.
Key facts
- Category
- Reading the documents
- Applies to
- Panels and switchgear
- Cascade
- I/O totals to sizing to components to labour hours
- Last verified
- August 28, 2026
What is actually on a points list?
A tag-by-tag inventory of every signal the panel must terminate: a tag name, a signal type (digital input, digital output, analogue input, analogue output, and often a configurable universal type), and a short description of what it monitors or drives. Extraction totals these by type, since the totals are what everything downstream is sized against.
How do I/O totals turn into a sizing decision?
A controller or remote I/O rack is chosen, or checked against one the customer specified, by matching its available channel counts and card types to the I/O totals, with a spare-capacity rule, a customer standard requiring 10 or 20 percent headroom, for example, applied the same way on every job rather than left to memory.
How does sizing turn into a component list?
The chosen controller and card configuration drives enclosure size and the rest of the bill of components, terminal blocks, relays and fuses per circuit type, and each of those resolves to the specific part the shop or customer actually specifies, not a generic description, by matching against the shop's own approved-parts standard.
How does that become labour hours?
Assembly, wiring and test hours come from the resulting component and point counts run through the shop's own labour-standard table, a time allowance per terminated point for wiring and test, plus allowances scaled to component count for assembly, rather than one flat hour figure applied to every panel regardless of size. Where a single-line diagram exists, it is cross-checked against the points list so a device on one but not the other gets caught before it reaches a quote.
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