DAAT · LEVEL 3 — MASTER SYNTHESIS
Siman רס״ד
סימן רס״ד · דיני הפתילה והשמן
Recap and mnemonics for review
📑 Synthesis plan
- The central axiom
- The 2 criteria (wick + oil)
- Hierarchy of cases
- Mnemonic P-S-Z
- Decision tree
- Mechaber vs Rama
- 5 pitfalls to avoid
- Modern practical cases
- Final synthesis table
- The 5 practical commandments
1. The central axiom
A steady flame, a fire that catches, an oil that lets itself be drawn.
Siman רס״ד codifies the materials of the mitzvah set in siman 263. Two interlocking technical criteria: (1) the wick must be of a material that holds the fire (no "שלהבת קופצת"); (2) the oil must be "drawn" by the wick (capillarity). Four risks (חששות) to avoid: jumping flame, undrawn oil, bad smell (one steps away), sweet smell (one takes). Absolute ideal: olive oil — Mikdash link, perfect capillarity, symbol of Yisrael. Modern application: paraffin is permitted (Seif Zayin — wax wrapped around a permitted wick); LED remains in machlokes.
Siman רס״ד codifies the materials of the mitzvah set in siman 263. Two interlocking technical criteria: (1) the wick must be of a material that holds the fire (no "שלהבת קופצת"); (2) the oil must be "drawn" by the wick (capillarity). Four risks (חששות) to avoid: jumping flame, undrawn oil, bad smell (one steps away), sweet smell (one takes). Absolute ideal: olive oil — Mikdash link, perfect capillarity, symbol of Yisrael. Modern application: paraffin is permitted (Seif Zayin — wax wrapped around a permitted wick); LED remains in machlokes.
2. The 2 criteria (wick + oil)
Wick (peitilah)
- Permitted: flax (pishtah), fine linen (sheish), cotton (tzemer gefen), hemp (kanbus)
- Forbidden: wool (tzemer), hair (seiar), worn rags (smartutin), reed pith
- Criterion: שלהבת קופצת = flickers → forbidden; נאחז = steady → permitted
Oil (shemen)
- Permitted: olive (ideal), sesame, sunflower, canola, etc.
- Forbidden: pitch (zefes), wax (sha'avah), melted tallow (cheilev), fat-tail (alyah), petroleum (itran), balsam (tzori)
- Criterion: שמן הנמשך אחר הפתילה = drawable by capillarity
3. Hierarchy of cases
| Level | Type | Status |
|---|---|---|
| 1 — ideal | Olive oil with floating cotton wick | Mitzvah min ha-muvchar |
| 2 — modern standard | Paraffin candles (cotton wick + wrapped wax) | Permitted (Seif Zayin) |
| 3 — other oils | Sesame, sunflower, canola, etc. with permitted wick | Permitted |
| 4 — bediavad | LED candle (no flame) | Machlokes — prefer flame |
| 5 — forbidden | Wool or hair wick | שלהבת קופצת |
| 6 — forbidden | Wax/pitch/tallow as direct fuel (without core wick) | אינו נמשך |
| 7 — forbidden | Heavily scented candles | Risk of mechabeh (Seif Gimel) |
4. Mnemonic — P-S-Z
P — Peitilah (פתילה): wick of flax/cotton/hemp. No wool, hair, rags.
S — Shemen (שמן): oil "drawable" by the wick. No direct wax/pitch/tallow; no extreme smell.
Z — Zayis (זית = olive): mitzvah min ha-muvchar. Mikdash link, perfect capillarity, symbol of Yisrael.
To memorize: "P-S-Z for siman 264: Peitilah that holds, Shemen that is drawn, Zayis that recalls the Mikdash."
5. Decision tree
Question 1: Is the wick of a permitted material?
↓
Flax/cotton/hemp → permitted. Wool/hair → forbidden (שלהבת קופצת)
↓
Question 2: Is the fuel a "drawable" oil or wrapped wax?
↓
Drawable oil (olive, etc.) or wax wrapped around a permitted wick → permitted
↓
Wax/pitch/tallow without a permitted wick → forbidden (אינו נמשך)
↓
Question 3: Is there an extreme smell?
↓
Very bad smell → one steps away; very sweet smell → one takes → forbidden
↓
Question 4: Do we want the ideal?
↓
Olive oil with floating wick = mitzvah min ha-muvchar
↓
✓ Permitted candle
6. Mechaber vs Rama
| Topic | Mechaber | Rama |
|---|---|---|
| Forbidden wick (Seif Alef) | Forbidden to use its light | + bediavad: with another kosher light OK; for Shabbos need OK |
| Salt/bean atop the candle (Seif Beis) | — | + trick to burn better (Friday) |
| Hav'havah (Seif Tes) | Not obligatory | + minhag to light-extinguish the new wick |
7. 5 pitfalls to avoid
Pitfall 1: Using a candle with a wool or hair wick. Forbidden — שלהבת קופצת. Always cotton/flax/hemp wick.
Pitfall 2: Burning wax/paraffin directly without a permitted wick at the center. Forbidden — אינו נמשך. The wax must be wrapped around a cotton wick.
Pitfall 3: Using intensely scented candles. Risk — Seif Gimel (indirect mechabeh). Prefer dedicated candles.
Pitfall 4: Mixing a little olive oil into a forbidden oil. Forbidden (Seif Daled) — no shortcut.
Pitfall 5: Treating LED as fully equivalent to a flame. Machlokes — majority of poskim reject. Prefer real flame; LED only in urgent cases (hospital, travel).
8. Modern practical cases
| Case | Conduct |
|---|---|
| Standard paraffin candles | Permitted (Seif Zayin) |
| Olive oil candles with floating wick | Mitzvah min ha-muvchar — ideal |
| Beeswax candles (cotton wick) | Permitted |
| LED candles | Machlokes — prefer flame |
| Heavily scented candles | To avoid (risk of mechabeh) |
| Unprepared new wick | Hav'havah recommended |
| Candles with wool/hair wick | Forbidden (שלהבת קופצת) |
| Salt/bean on candle for better burn | Permitted (Rama, Friday) |
| Travel, hotel without permitted flame | LED bediavad per Rav Feinstein |
| Hospital forbidding flame | LED with or without brachah per poskim |
9. Final synthesis table
| Element | Detail |
|---|---|
| Subject of the siman | Materials for the Shabbos lights (wicks and oils) |
| Number of seifim | 10 (Mechaber) — 16 + 3 KA (Alter Rebbe) |
| Talmudic source | Shabbos 20b–24a · Mishnah "במה מדליקין" |
| Halachic concepts | שלהבת קופצת, שמן הנמשך, 4 חששות, מצוה מן המובחר, הבהוב |
| Modern application | Paraffin OK, olive ideal, LED in machlokes, cotton wick standard |
| Rama's position | Bediavad for forbidden wicks; salt/bean on candle; minhag of hav'havah |
| Chabad practice | Prefer olive oil; LED not recommended; minhag of hav'havah |
10. The 5 practical commandments of Siman רס״ד
For daily conduct
- Permitted wick — cotton, flax, or hemp. No wool, hair, worn rags.
- Permitted oil — all "drawable" oils; avoid direct soft wax, tallow, petroleum, balsam.
- Olive oil ideal — mitzvah min ha-muvchar (Mikdash link, perfect capillarity, symbolism).
- Modern paraffin candles = permitted (Seif Zayin) — wax around cotton wick.
- Hav'havah — prepare the new wick before Shabbos (light, extinguish).
📚 Study path recap
You have studied Siman רס״ד in 3 levels:
You have studied Siman רס״ד in 3 levels:
- 🌱 Level 1 — Base: 10 seifim, 3 key concepts (wicks שלהבת קופצת / oils נמשכות / olive ideal), 5 modern cases
- ⚡ Level 2 — Lamdan: sugya Shabbos 20b–24a, three-fold חקירה on the nature of the wick (physics/convention/reality), 4 חששות broken down (2 physical + 2 psychological), שיטות on modern candles (paraffin OK, LED in machlokes)
- ✨ Level 3 — Synthesis: axiom (steady flame + fire that catches + drawable oil), P-S-Z mnemonic, decision tree, 5 pitfalls, 5 commandments